223485279400 has 24 divisors (see below), whose sum is σ = 519603275070. Its totient is φ = 89394111680.

The previous prime is 223485279383. The next prime is 223485279431. The reversal of 223485279400 is 4972584322.

It can be written as a sum of positive squares in 3 ways, for example, as 189188461764 + 34296817636 = 434958^2 + 185194^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 558712999 + ... + 558713398.

Almost surely, 2^223485279400 is an apocalyptic number.

223485279400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223485279400 is an abundant number, since it is smaller than the sum of its proper divisors (296117995670).

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

223485279400 is a wasteful number, since it uses less digits than its factorization.

223485279400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117426413 (or 1117426404 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 223485279400 in words is "two hundred twenty-three billion, four hundred eighty-five million, two hundred seventy-nine thousand, four hundred".