23252987 has 2 divisors, whose sum is σ = 23252988. Its totient is φ = 23252986.

The previous prime is 23252963. The next prime is 23252989. The reversal of 23252987 is 78925232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23252987 - 2⁸ = 23252731 is a prime.

Together with 23252989, it forms a pair of twin primes.

It is a Chen prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 23252987.

It is not a weakly prime, because it can be changed into another prime (23252989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11626493 + 11626494.

It is an arithmetic number, because the mean of its divisors is an integer number (11626494).

Almost surely, 2^23252987 is an apocalyptic number.

23252987 is a deficient number, since it is larger than the sum of its proper divisors (1).

23252987 is an equidigital number, since it uses as much as digits as its factorization.

23252987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 38.

The square root of 23252987 is about 4822.1351080201. The cubic root of 23252987 is about 285.4255957946.

The spelling of 23252987 in words is "twenty-three million, two hundred fifty-two thousand, nine hundred eighty-seven".