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123031033241 = 1936717643917
BaseRepresentation
bin111001010010100111…
…0001001010110011001
3102202120020121001102212
41302211032021112121
54003431421030431
6132304130004505
711613552346004
oct1624516112631
9382506531385
10123031033241
11481a48a1276
121ba16a16735
13b7a9145c6c
145d51b0a53b
15330112972b
hex1ca5389599

123031033241 has 8 divisors (see below), whose sum is σ = 129859236480. Its totient is φ = 116238118608.

The previous prime is 123031033207. The next prime is 123031033271. The reversal of 123031033241 is 142330130321.

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 123031033241 - 234 = 105851164057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123031033201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8814986 + ... + 8828931.

It is an arithmetic number, because the mean of its divisors is an integer number (16232404560).

Almost surely, 2123031033241 is an apocalyptic number.

It is an amenable number.

123031033241 is a deficient number, since it is larger than the sum of its proper divisors (6828203239).

123031033241 is a wasteful number, since it uses less digits than its factorization.

123031033241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17644303.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 123031033241 its reverse (142330130321), we get a palindrome (265361163562).

The spelling of 123031033241 in words is "one hundred twenty-three billion, thirty-one million, thirty-three thousand, two hundred forty-one".

Divisors: 1 19 367 6973 17643917 335234423 6475317539 123031033241