23162491389 has 32 divisors (see below), whose sum is σ = 32667402240. Its totient is φ = 14569232832.

The previous prime is 23162491369. The next prime is 23162491399. The reversal of 23162491389 is 98319426132.

It is not a de Polignac number, because 23162491389 - 2⁵ = 23162491357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23162491369) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1700484 + ... + 1714050.

It is an arithmetic number, because the mean of its divisors is an integer number (1020856320).

Almost surely, 2^23162491389 is an apocalyptic number.

It is an amenable number.

23162491389 is a deficient number, since it is larger than the sum of its proper divisors (9504910851).

23162491389 is a wasteful number, since it uses less digits than its factorization.

23162491389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13929.

The product of its digits is 559872, while the sum is 48.

The spelling of 23162491389 in words is "twenty-three billion, one hundred sixty-two million, four hundred ninety-one thousand, three hundred eighty-nine".