23110431240 has 64 divisors (see below), whose sum is σ = 74664475200. Its totient is φ = 5688721152.

The previous prime is 23110431199. The next prime is 23110431277. The reversal of 23110431240 is 4213401132.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7405630 + ... + 7408749.

It is an arithmetic number, because the mean of its divisors is an integer number (1166632425).

Almost surely, 2^23110431240 is an apocalyptic number.

23110431240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23110431240 is an abundant number, since it is smaller than the sum of its proper divisors (51554043960).

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

23110431240 is a wasteful number, since it uses less digits than its factorization.

23110431240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14814406 (or 14814402 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 23110431240 its reverse (4213401132), we get a palindrome (27323832372).

The spelling of 23110431240 in words is "twenty-three billion, one hundred ten million, four hundred thirty-one thousand, two hundred forty".