23072471164 has 6 divisors (see below), whose sum is σ = 40376824544. Its totient is φ = 11536235580.

The previous prime is 23072471131. The next prime is 23072471167. The reversal of 23072471164 is 46117427032.

It is a super-2 number, since 2×23072471164² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23072471167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2884058892 + ... + 2884058899.

Almost surely, 2^23072471164 is an apocalyptic number.

It is an amenable number.

23072471164 is a deficient number, since it is larger than the sum of its proper divisors (17304353380).

23072471164 is a wasteful number, since it uses less digits than its factorization.

23072471164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5768117795 (or 5768117793 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

Adding to 23072471164 its reverse (46117427032), we get a palindrome (69189898196).

The spelling of 23072471164 in words is "twenty-three billion, seventy-two million, four hundred seventy-one thousand, one hundred sixty-four".