23421620722 has 32 divisors (see below), whose sum is σ = 37345359744. Its totient is φ = 11002185600.

The previous prime is 23421620713. The next prime is 23421620723. The reversal of 23421620722 is 22702612432.

It is not an unprimeable number, because it can be changed into a prime (23421620723) 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, 203568 + ... + 297124.

It is an arithmetic number, because the mean of its divisors is an integer number (1167042492).

Almost surely, 2^23421620722 is an apocalyptic number.

23421620722 is a deficient number, since it is larger than the sum of its proper divisors (13923739022).

23421620722 is a wasteful number, since it uses less digits than its factorization.

23421620722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93714.

The product of its (nonzero) digits is 16128, while the sum is 31.

The spelling of 23421620722 in words is "twenty-three billion, four hundred twenty-one million, six hundred twenty thousand, seven hundred twenty-two".