11723624457 has 16 divisors (see below), whose sum is σ = 15779154048. Its totient is φ = 7742004480.

The previous prime is 11723624453. The next prime is 11723624489. The reversal of 11723624457 is 75442632711.

It is not a de Polignac number, because 11723624457 - 2² = 11723624453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11723624453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 621588 + ... + 640170.

It is an arithmetic number, because the mean of its divisors is an integer number (986197128).

Almost surely, 2^11723624457 is an apocalyptic number.

It is an amenable number.

11723624457 is a deficient number, since it is larger than the sum of its proper divisors (4055529591).

11723624457 is a wasteful number, since it uses less digits than its factorization.

11723624457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20560.

The product of its digits is 282240, while the sum is 42.

The spelling of 11723624457 in words is "eleven billion, seven hundred twenty-three million, six hundred twenty-four thousand, four hundred fifty-seven".