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123421402221041 = 281989474438963
BaseRepresentation
bin11100000100000001001000…
…110101100100100111110001
3121011222222012201200011021202
4130010001020311210213301
5112134114012432033131
61114255002012300545
734665621255212201
oct3404011065444761
9534888181604252
10123421402221041
11363647a4a67771
1211a13a89a71755
1353b378561b212
1422698b0740401
15e40719691bcb
hex704048d649f1

123421402221041 has 8 divisors (see below), whose sum is σ = 123861903983904. Its totient is φ = 122980909534560.

The previous prime is 123421402221001. The next prime is 123421402221109. The reversal of 123421402221041 is 140122204124321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123421402221041 - 214 = 123421402204657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123421402220995 and 123421402221013.

It is not an unprimeable number, because it can be changed into a prime (123421402221001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25584626 + ... + 30023588.

It is an arithmetic number, because the mean of its divisors is an integer number (15482737997988).

Almost surely, 2123421402221041 is an apocalyptic number.

It is an amenable number.

123421402221041 is a deficient number, since it is larger than the sum of its proper divisors (440501762863).

123421402221041 is an equidigital number, since it uses as much as digits as its factorization.

123421402221041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4538191.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 123421402221041 its reverse (140122204124321), we get a palindrome (263543606345362).

The spelling of 123421402221041 in words is "one hundred twenty-three trillion, four hundred twenty-one billion, four hundred two million, two hundred twenty-one thousand, forty-one".

Divisors: 1 281 98947 4438963 27804107 1247348603 439222071961 123421402221041