323555000400 has 90 divisors (see below), whose sum is σ = 1122825740270. Its totient is φ = 86281332480.

The previous prime is 323555000389. The next prime is 323555000423. The reversal of 323555000400 is 4000555323.

It can be written as a sum of positive squares in 3 ways, for example, as 28458340416 + 295096659984 = 168696^2 + 543228^2 .

It is a tau number, because it is divible by the number of its divisors (90).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 44934595 + ... + 44941794.

Almost surely, 2^323555000400 is an apocalyptic number.

323555000400 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

323555000400 is an abundant number, since it is smaller than the sum of its proper divisors (799270739870).

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

323555000400 is a wasteful number, since it uses less digits than its factorization.

323555000400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89876413 (or 89876399 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

Adding to 323555000400 its reverse (4000555323), we get a palindrome (327555555723).

The spelling of 323555000400 in words is "three hundred twenty-three billion, five hundred fifty-five million, four hundred", and thus it is an aban number.