23446987 has 2 divisors, whose sum is σ = 23446988. Its totient is φ = 23446986.

The previous prime is 23446981. The next prime is 23446999. The reversal of 23446987 is 78964432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23446987 - 2³ = 23446979 is a prime.

It is a super-2 number, since 2×23446987² = 1099522398756338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23446981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11723493 + 11723494.

It is an arithmetic number, because the mean of its divisors is an integer number (11723494).

Almost surely, 2^23446987 is an apocalyptic number.

23446987 is a deficient number, since it is larger than the sum of its proper divisors (1).

23446987 is an equidigital number, since it uses as much as digits as its factorization.

23446987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 43.

The square root of 23446987 is about 4842.2088967743. The cubic root of 23446987 is about 286.2171684217.

The spelling of 23446987 in words is "twenty-three million, four hundred forty-six thousand, nine hundred eighty-seven".