23451380 has 24 divisors (see below), whose sum is σ = 49378560. Its totient is φ = 9355680.

The previous prime is 23451367. The next prime is 23451403. The reversal of 23451380 is 8315432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7445 + ... + 10115.

It is an arithmetic number, because the mean of its divisors is an integer number (2057440).

Almost surely, 2^23451380 is an apocalyptic number.

23451380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23451380 is an abundant number, since it is smaller than the sum of its proper divisors (25927180).

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

23451380 is a wasteful number, since it uses less digits than its factorization.

23451380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3119 (or 3117 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 23451380 is about 4842.6624908205. The cubic root of 23451380 is about 286.2350424098.

The spelling of 23451380 in words is "twenty-three million, four hundred fifty-one thousand, three hundred eighty".