23140488 has 64 divisors (see below), whose sum is σ = 66568320. Its totient is φ = 6566400.

The previous prime is 23140433. The next prime is 23140501. The reversal of 23140488 is 88404132.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30028 + ... + 30788.

It is an arithmetic number, because the mean of its divisors is an integer number (1040130).

Almost surely, 2^23140488 is an apocalyptic number.

23140488 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 23140488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33284160).

23140488 is an abundant number, since it is smaller than the sum of its proper divisors (43427832).

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

23140488 is a wasteful number, since it uses less digits than its factorization.

23140488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958 (or 954 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 23140488 is about 4810.4561114306. The cubic root of 23140488 is about 284.9645508387.

The spelling of 23140488 in words is "twenty-three million, one hundred forty thousand, four hundred eighty-eight".