23484987 has 6 divisors (see below), whose sum is σ = 33922772. Its totient is φ = 15656652.

The previous prime is 23484971. The next prime is 23484991. The reversal of 23484987 is 78948432.

It is not a de Polignac number, because 23484987 - 2⁴ = 23484971 is a prime.

It is a super-2 number, since 2×23484987² = 1103089228780338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23414987) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1304713 + ... + 1304730.

Almost surely, 2^23484987 is an apocalyptic number.

23484987 is a deficient number, since it is larger than the sum of its proper divisors (10437785).

23484987 is a wasteful number, since it uses less digits than its factorization.

23484987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2609449 (or 2609446 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 23484987 is about 4846.1311373094. The cubic root of 23484987 is about 286.3717068570.

The spelling of 23484987 in words is "twenty-three million, four hundred eighty-four thousand, nine hundred eighty-seven".