23431260042665 has 4 divisors (see below), whose sum is σ = 28117512051204. Its totient is φ = 18745008034128.

The previous prime is 23431260042587. The next prime is 23431260042679. The reversal of 23431260042665 is 56624006213432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6454709334544 + 16976550708121 = 2540612^2 + 4120261^2 .

It is a cyclic number.

It is not a de Polignac number, because 23431260042665 - 2¹² = 23431260038569 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2343126004262 + ... + 2343126004271.

It is an arithmetic number, because the mean of its divisors is an integer number (7029378012801).

Almost surely, 2^{23431260042665} is an apocalyptic number.

It is an amenable number.

23431260042665 is a deficient number, since it is larger than the sum of its proper divisors (4686252008539).

23431260042665 is an equidigital number, since it uses as much as digits as its factorization.

23431260042665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4686252008538.

The product of its (nonzero) digits is 1244160, while the sum is 44.

The spelling of 23431260042665 in words is "twenty-three trillion, four hundred thirty-one billion, two hundred sixty million, forty-two thousand, six hundred sixty-five".