223400043100 has 36 divisors (see below), whose sum is σ = 522068719144. Its totient is φ = 82486169280.

The previous prime is 223400043047. The next prime is 223400043157. The reversal of 223400043100 is 1340004322.

It is a super-2 number, since 2×223400043100² (a number of 23 digits) contains 22 as substring.

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, 85921794 + ... + 85924393.

Almost surely, 2^223400043100 is an apocalyptic number.

223400043100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223400043100 is an abundant number, since it is smaller than the sum of its proper divisors (298668676044).

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

223400043100 is a wasteful number, since it uses less digits than its factorization.

223400043100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171846214 (or 171846207 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 223400043100 its reverse (1340004322), we get a palindrome (224740047422).

The spelling of 223400043100 in words is "two hundred twenty-three billion, four hundred million, forty-three thousand, one hundred".