23940988 has 12 divisors (see below), whose sum is σ = 44101960. Its totient is φ = 11340432.

The previous prime is 23940977. The next prime is 23940991. The reversal of 23940988 is 88904932.

It is a happy number.

It is a super-3 number, since 3×23940988³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

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, 157431 + ... + 157582.

Almost surely, 2^23940988 is an apocalyptic number.

It is an amenable number.

23940988 is a deficient number, since it is larger than the sum of its proper divisors (20160972).

23940988 is a wasteful number, since it uses less digits than its factorization.

23940988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315036 (or 315034 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 23940988 is about 4892.9528916596. The cubic root of 23940988 is about 288.2133032720.

The spelling of 23940988 in words is "twenty-three million, nine hundred forty thousand, nine hundred eighty-eight".