23430988 has 12 divisors (see below), whose sum is σ = 46862032. Its totient is φ = 10041840.

The previous prime is 23430977. The next prime is 23430989. The reversal of 23430988 is 88903432.

23430988 is an admirable number.

It is a super-2 number, since 2×23430988² = 1098022397312288, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (23430989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418383 + ... + 418438.

Almost surely, 2^23430988 is an apocalyptic number.

23430988 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23430988 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23430988 is a wasteful number, since it uses less digits than its factorization.

23430988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836832 (or 836830 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 23430988 is about 4840.5565795681. The cubic root of 23430988 is about 286.1520537240.

The spelling of 23430988 in words is "twenty-three million, four hundred thirty thousand, nine hundred eighty-eight".