223557901340 has 24 divisors (see below), whose sum is σ = 480922121232. Its totient is φ = 87242107520.

The previous prime is 223557901339. The next prime is 223557901351. The reversal of 223557901340 is 43109755322.

It is a Harshad number since it is a multiple of its sum of digits (41).

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 7 ways as a sum of consecutive naturals, for example, 136314974 + ... + 136316613.

It is an arithmetic number, because the mean of its divisors is an integer number (20038421718).

Almost surely, 2^223557901340 is an apocalyptic number.

223557901340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223557901340 is an abundant number, since it is smaller than the sum of its proper divisors (257364219892).

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

223557901340 is a wasteful number, since it uses less digits than its factorization.

223557901340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272631637 (or 272631635 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 223557901340 in words is "two hundred twenty-three billion, five hundred fifty-seven million, nine hundred one thousand, three hundred forty".