23032064040 has 32 divisors (see below), whose sum is σ = 69096192480. Its totient is φ = 6141883712.

The previous prime is 23032064021. The next prime is 23032064051. The reversal of 23032064040 is 4046023032.

It is a happy number.

It is a super-2 number, since 2×23032064040² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 23032064040.

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, 95966814 + ... + 95967053.

It is an arithmetic number, because the mean of its divisors is an integer number (2159256015).

Almost surely, 2^23032064040 is an apocalyptic number.

23032064040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23032064040 is an abundant number, since it is smaller than the sum of its proper divisors (46064128440).

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

23032064040 is a wasteful number, since it uses less digits than its factorization.

23032064040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191933881 (or 191933877 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 23032064040 its reverse (4046023032), we get a palindrome (27078087072).

The spelling of 23032064040 in words is "twenty-three billion, thirty-two million, sixty-four thousand, forty".