23162137 has 4 divisors (see below), whose sum is σ = 23304400. Its totient is φ = 23019876.

The previous prime is 23162107. The next prime is 23162189. The reversal of 23162137 is 73126132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23162137 - 2¹⁵ = 23129369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23162107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70887 + ... + 71212.

It is an arithmetic number, because the mean of its divisors is an integer number (5826100).

Almost surely, 2^23162137 is an apocalyptic number.

It is an amenable number.

23162137 is a deficient number, since it is larger than the sum of its proper divisors (142263).

23162137 is a wasteful number, since it uses less digits than its factorization.

23162137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142262.

The product of its digits is 1512, while the sum is 25.

The square root of 23162137 is about 4812.7057878079. The cubic root of 23162137 is about 285.0533889926.

Adding to 23162137 its reverse (73126132), we get a palindrome (96288269).

The spelling of 23162137 in words is "twenty-three million, one hundred sixty-two thousand, one hundred thirty-seven".