223507237628 has 12 divisors (see below), whose sum is σ = 394599061920. Its totient is φ = 110764648512.

The previous prime is 223507237549. The next prime is 223507237633. The reversal of 223507237628 is 826732705322.

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 3 ways as a sum of consecutive naturals, for example, 247242068 + ... + 247242971.

It is an arithmetic number, because the mean of its divisors is an integer number (32883255160).

Almost surely, 2^223507237628 is an apocalyptic number.

It is an amenable number.

223507237628 is a deficient number, since it is larger than the sum of its proper divisors (171091824292).

223507237628 is a wasteful number, since it uses less digits than its factorization.

223507237628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494485156 (or 494485154 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 47.

The spelling of 223507237628 in words is "two hundred twenty-three billion, five hundred seven million, two hundred thirty-seven thousand, six hundred twenty-eight".