23997402 has 48 divisors (see below), whose sum is σ = 61090848. Its totient is φ = 6711840.

The previous prime is 23997383. The next prime is 23997419. The reversal of 23997402 is 20479932.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2088 + ... + 7235.

It is an arithmetic number, because the mean of its divisors is an integer number (1272726).

Almost surely, 2^23997402 is an apocalyptic number.

23997402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23997402 is an abundant number, since it is smaller than the sum of its proper divisors (37093446).

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

23997402 is a wasteful number, since it uses less digits than its factorization.

23997402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9355 (or 9352 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 23997402 is about 4898.7143211255. The cubic root of 23997402 is about 288.4395054515.

It can be divided in two parts, 2399 and 7402, that added together give a square (9801 = 99²).

The spelling of 23997402 in words is "twenty-three million, nine hundred ninety-seven thousand, four hundred two".