23132279 has 2 divisors, whose sum is σ = 23132280. Its totient is φ = 23132278.

The previous prime is 23132267. The next prime is 23132281. The reversal of 23132279 is 97223132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23132279 - 2⁸ = 23132023 is a prime.

Together with 23132281, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23132209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11566139 + 11566140.

It is an arithmetic number, because the mean of its divisors is an integer number (11566140).

Almost surely, 2^23132279 is an apocalyptic number.

23132279 is a deficient number, since it is larger than the sum of its proper divisors (1).

23132279 is an equidigital number, since it uses as much as digits as its factorization.

23132279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 29.

The square root of 23132279 is about 4809.6027902520. The cubic root of 23132279 is about 284.9308501569.

The spelling of 23132279 in words is "twenty-three million, one hundred thirty-two thousand, two hundred seventy-nine".