23390829705 has 16 divisors (see below), whose sum is σ = 37450531584. Its totient is φ = 12466707840.

The previous prime is 23390829701. The next prime is 23390829727. The reversal of 23390829705 is 50792809332.

It is a happy number.

It is not a de Polignac number, because 23390829705 - 2² = 23390829701 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23390829701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502036 + ... + 546645.

It is an arithmetic number, because the mean of its divisors is an integer number (2340658224).

Almost surely, 2^23390829705 is an apocalyptic number.

It is an amenable number.

23390829705 is a deficient number, since it is larger than the sum of its proper divisors (14059701879).

23390829705 is a wasteful number, since it uses less digits than its factorization.

23390829705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050176.

The product of its (nonzero) digits is 816480, while the sum is 48.

The spelling of 23390829705 in words is "twenty-three billion, three hundred ninety million, eight hundred twenty-nine thousand, seven hundred five".