23573147400 has 216 divisors, whose sum is σ = 87018512490. Its totient is φ = 5714649600.

The previous prime is 23573147387. The next prime is 23573147443. The reversal of 23573147400 is 474137532.

23573147400 is a `hidden beast` number, since 2 + 3 + 573 + 1 + 47 + 40 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 19781297316 + 3791850084 = 140646^2 + 61578^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 163684 + ... + 271916.

Almost surely, 2^23573147400 is an apocalyptic number.

23573147400 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 23573147400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43509256245).

23573147400 is an abundant number, since it is smaller than the sum of its proper divisors (63445365090).

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

23573147400 is a wasteful number, since it uses less digits than its factorization.

23573147400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108277 (or 108254 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The spelling of 23573147400 in words is "twenty-three billion, five hundred seventy-three million, one hundred forty-seven thousand, four hundred".