23059640258 has 6 divisors (see below), whose sum is σ = 34589782521. Its totient is φ = 11529712752.

The previous prime is 23059640257. The next prime is 23059640267. The reversal of 23059640258 is 85204695032.

It can be written as a sum of positive squares in 2 ways, for example, as 18043742929 + 5015897329 = 134327^2 + 70823^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=107377.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23059640257) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 161066 + ... + 268442.

Almost surely, 2^23059640258 is an apocalyptic number.

23059640258 is a deficient number, since it is larger than the sum of its proper divisors (11530142263).

23059640258 is an frugal number, since it uses more digits than its factorization.

23059640258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214756 (or 107379 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 23059640258 in words is "twenty-three billion, fifty-nine million, six hundred forty thousand, two hundred fifty-eight".