23190967 has 2 divisors, whose sum is σ = 23190968. Its totient is φ = 23190966.

The previous prime is 23190961. The next prime is 23190977. The reversal of 23190967 is 76909132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23190967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23190961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11595483 + 11595484.

It is an arithmetic number, because the mean of its divisors is an integer number (11595484).

Almost surely, 2^23190967 is an apocalyptic number.

23190967 is a deficient number, since it is larger than the sum of its proper divisors (1).

23190967 is an equidigital number, since it uses as much as digits as its factorization.

23190967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 23190967 is about 4815.7000529518. The cubic root of 23190967 is about 285.1716089689.

The spelling of 23190967 in words is "twenty-three million, one hundred ninety thousand, nine hundred sixty-seven".