23440774312 has 16 divisors (see below), whose sum is σ = 44026335360. Its totient is φ = 11700418224.

The previous prime is 23440774307. The next prime is 23440774319. The reversal of 23440774312 is 21347704432.

It is a super-2 number, since 2×23440774312² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23440774319) 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, 2491128 + ... + 2500519.

It is an arithmetic number, because the mean of its divisors is an integer number (2751645960).

Almost surely, 2^23440774312 is an apocalyptic number.

It is an amenable number.

23440774312 is a deficient number, since it is larger than the sum of its proper divisors (20585561048).

23440774312 is a wasteful number, since it uses less digits than its factorization.

23440774312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4992240 (or 4992236 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 37.

The spelling of 23440774312 in words is "twenty-three billion, four hundred forty million, seven hundred seventy-four thousand, three hundred twelve".