23113501240 has 32 divisors (see below), whose sum is σ = 55064519280. Its totient is φ = 8701553152.

The previous prime is 23113501211. The next prime is 23113501309. The reversal of 23113501240 is 4210531132.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16994542 + ... + 16995901.

Almost surely, 2^23113501240 is an apocalyptic number.

23113501240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23113501240 is an abundant number, since it is smaller than the sum of its proper divisors (31951018040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23113501240 is a wasteful number, since it uses less digits than its factorization.

23113501240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33990471 (or 33990467 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The spelling of 23113501240 in words is "twenty-three billion, one hundred thirteen million, five hundred one thousand, two hundred forty".