23205234400 has 36 divisors (see below), whose sum is σ = 56649780432. Its totient is φ = 9282093440.

The previous prime is 23205234397. The next prime is 23205234427. The reversal of 23205234400 is 443250232.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 14502472 + ... + 14504071.

It is an arithmetic number, because the mean of its divisors is an integer number (1573605012).

Almost surely, 2^23205234400 is an apocalyptic number.

23205234400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23205234400 is an abundant number, since it is smaller than the sum of its proper divisors (33444546032).

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

23205234400 is a wasteful number, since it uses less digits than its factorization.

23205234400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29006563 (or 29006550 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 23205234400 its reverse (443250232), we get a palindrome (23648484632).

The spelling of 23205234400 in words is "twenty-three billion, two hundred five million, two hundred thirty-four thousand, four hundred".