23132167 has 4 divisors (see below), whose sum is σ = 23449120. Its totient is φ = 22815216.

The previous prime is 23132147. The next prime is 23132171. The reversal of 23132167 is 76123132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23132167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23132147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158367 + ... + 158512.

It is an arithmetic number, because the mean of its divisors is an integer number (5862280).

Almost surely, 2^23132167 is an apocalyptic number.

23132167 is a deficient number, since it is larger than the sum of its proper divisors (316953).

23132167 is an equidigital number, since it uses as much as digits as its factorization.

23132167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316952.

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

The square root of 23132167 is about 4809.5911468648. The cubic root of 23132167 is about 284.9303903044.

Adding to 23132167 its reverse (76123132), we get a palindrome (99255299).

The spelling of 23132167 in words is "twenty-three million, one hundred thirty-two thousand, one hundred sixty-seven".