23286988 has 12 divisors (see below), whose sum is σ = 41268640. Its totient is φ = 11495952.

The previous prime is 23286979. The next prime is 23287003. The reversal of 23286988 is 88968232.

It is a happy number.

It is a super-2 number, since 2×23286988² = 1084567620224288, which contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36531 + ... + 37162.

Almost surely, 2^23286988 is an apocalyptic number.

It is an amenable number.

23286988 is a deficient number, since it is larger than the sum of its proper divisors (17981652).

23286988 is a wasteful number, since it uses less digits than its factorization.

23286988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73776 (or 73774 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The square root of 23286988 is about 4825.6593331896. The cubic root of 23286988 is about 285.5646464515.

It can be divided in two parts, 2328 and 6988, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 23286988 in words is "twenty-three million, two hundred eighty-six thousand, nine hundred eighty-eight".