23253880 has 64 divisors (see below), whose sum is σ = 56881440. Its totient is φ = 8504832.

The previous prime is 23253869. The next prime is 23253883. The reversal of 23253880 is 8835232.

23253880 = T₆₅ + T₆₆ + ... + T₅₁₈.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23253883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102327 + ... + 102553.

Almost surely, 2^23253880 is an apocalyptic number.

23253880 is a gapful number since it is divisible by the number (20) 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 23253880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28440720).

23253880 is an abundant number, since it is smaller than the sum of its proper divisors (33627560).

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

23253880 is a wasteful number, since it uses less digits than its factorization.

23253880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 23253880 is about 4822.2277009697. The cubic root of 23253880 is about 285.4292495444.

The spelling of 23253880 in words is "twenty-three million, two hundred fifty-three thousand, eight hundred eighty".