23203432400 has 60 divisors (see below), whose sum is σ = 55790155392. Its totient is φ = 9274062720.

The previous prime is 23203432393. The next prime is 23203432459. The reversal of 23203432400 is 423430232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 500609 + ... + 544991.

Almost surely, 2^23203432400 is an apocalyptic number.

23203432400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23203432400 is an abundant number, since it is smaller than the sum of its proper divisors (32586722992).

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

23203432400 is a wasteful number, since it uses less digits than its factorization.

23203432400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45708 (or 45697 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 23203432400 its reverse (423430232), we get a palindrome (23626862632).

The spelling of 23203432400 in words is "twenty-three billion, two hundred three million, four hundred thirty-two thousand, four hundred".