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23130421241 = 57833999727
BaseRepresentation
bin10101100010101011…
…100011011111111001
32012200222222010220012
4111202223203133321
5334332341434431
614343113111305
71446123223304
oct254253433771
965628863805
1023130421241
11989a579914
1245963b8535
1322480c45b5
141195d5bb3b
159059c322b
hex562ae37f9

23130421241 has 4 divisors (see below), whose sum is σ = 23134426752. Its totient is φ = 23126415732.

The previous prime is 23130421217. The next prime is 23130421271. The reversal of 23130421241 is 14212403132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23130421241 - 210 = 23130420217 is a prime.

It is a super-2 number, since 2×231304212412 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23130421271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1994081 + ... + 2005646.

It is an arithmetic number, because the mean of its divisors is an integer number (5783606688).

Almost surely, 223130421241 is an apocalyptic number.

It is an amenable number.

23130421241 is a deficient number, since it is larger than the sum of its proper divisors (4005511).

23130421241 is an equidigital number, since it uses as much as digits as its factorization.

23130421241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4005510.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 23130421241 its reverse (14212403132), we get a palindrome (37342824373).

The spelling of 23130421241 in words is "twenty-three billion, one hundred thirty million, four hundred twenty-one thousand, two hundred forty-one".

Divisors: 1 5783 3999727 23130421241