23339988 has 120 divisors (see below), whose sum is σ = 71717184. Its totient is φ = 6480000.

The previous prime is 23339977. The next prime is 23340001. The reversal of 23339988 is 88993332.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 92863 + ... + 93113.

Almost surely, 2^23339988 is an apocalyptic number.

23339988 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23339988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35858592).

23339988 is an abundant number, since it is smaller than the sum of its proper divisors (48377196).

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

23339988 is a wasteful number, since it uses less digits than its factorization.

23339988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315 (or 304 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 23339988 is about 4831.1476897317. The cubic root of 23339988 is about 285.7811258384.

It can be divided in two parts, 2333 and 9988, that added together give a palindrome (12321).

The spelling of 23339988 in words is "twenty-three million, three hundred thirty-nine thousand, nine hundred eighty-eight".