23890907 has 2 divisors, whose sum is σ = 23890908. Its totient is φ = 23890906.

The previous prime is 23890879. The next prime is 23890921. The reversal of 23890907 is 70909832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23890907 - 2¹⁰ = 23889883 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (23890957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11945453 + 11945454.

It is an arithmetic number, because the mean of its divisors is an integer number (11945454).

Almost surely, 2^23890907 is an apocalyptic number.

23890907 is a deficient number, since it is larger than the sum of its proper divisors (1).

23890907 is an equidigital number, since it uses as much as digits as its factorization.

23890907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 23890907 is about 4887.8325462315. The cubic root of 23890907 is about 288.0121964678.

The spelling of 23890907 in words is "twenty-three million, eight hundred ninety thousand, nine hundred seven".