23147400 has 96 divisors (see below), whose sum is σ = 72495360. Its totient is φ = 6109440.

The previous prime is 23147393. The next prime is 23147413. The reversal of 23147400 is 474132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103689 + ... + 103911.

It is an arithmetic number, because the mean of its divisors is an integer number (755160).

Almost surely, 2^23147400 is an apocalyptic number.

23147400 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 23147400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36247680).

23147400 is an abundant number, since it is smaller than the sum of its proper divisors (49347960).

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

23147400 is a wasteful number, since it uses less digits than its factorization.

23147400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 23147400 is about 4811.1744927824. The cubic root of 23147400 is about 284.9929207229.

The spelling of 23147400 in words is "twenty-three million, one hundred forty-seven thousand, four hundred".