23312687 has 2 divisors, whose sum is σ = 23312688. Its totient is φ = 23312686.

The previous prime is 23312671. The next prime is 23312693. The reversal of 23312687 is 78621332.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23312687 - 2⁴ = 23312671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23312657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11656343 + 11656344.

It is an arithmetic number, because the mean of its divisors is an integer number (11656344).

Almost surely, 2^23312687 is an apocalyptic number.

23312687 is a deficient number, since it is larger than the sum of its proper divisors (1).

23312687 is an equidigital number, since it uses as much as digits as its factorization.

23312687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 32.

The square root of 23312687 is about 4828.3213439041. The cubic root of 23312687 is about 285.6696554217.

The spelling of 23312687 in words is "twenty-three million, three hundred twelve thousand, six hundred eighty-seven".