23172367 has 2 divisors, whose sum is σ = 23172368. Its totient is φ = 23172366.

The previous prime is 23172361. The next prime is 23172371. The reversal of 23172367 is 76327132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23172367 - 2⁷ = 23172239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23172361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11586183 + 11586184.

It is an arithmetic number, because the mean of its divisors is an integer number (11586184).

Almost surely, 2^23172367 is an apocalyptic number.

23172367 is a deficient number, since it is larger than the sum of its proper divisors (1).

23172367 is an equidigital number, since it uses as much as digits as its factorization.

23172367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 31.

The square root of 23172367 is about 4813.7684821769. The cubic root of 23172367 is about 285.0953492394.

Adding to 23172367 its reverse (76327132), we get a palindrome (99499499).

The spelling of 23172367 in words is "twenty-three million, one hundred seventy-two thousand, three hundred sixty-seven".