23283988 has 48 divisors (see below), whose sum is σ = 51254784. Its totient is φ = 9008640.

The previous prime is 23283983. The next prime is 23284003. The reversal of 23283988 is 88938232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23283983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16428 + ... + 17788.

It is an arithmetic number, because the mean of its divisors is an integer number (1067808).

Almost surely, 2^23283988 is an apocalyptic number.

23283988 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 23283988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25627392).

23283988 is an abundant number, since it is smaller than the sum of its proper divisors (27970796).

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

23283988 is a wasteful number, since it uses less digits than its factorization.

23283988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432 (or 1430 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 23283988 is about 4825.3484848247. The cubic root of 23283988 is about 285.5523830832.

The spelling of 23283988 in words is "twenty-three million, two hundred eighty-three thousand, nine hundred eighty-eight".