223163256136 has 32 divisors (see below), whose sum is σ = 423344187000. Its totient is φ = 110277135360.

The previous prime is 223163256119. The next prime is 223163256139. The reversal of 223163256136 is 631652361322.

It can be written as a sum of positive squares in 4 ways, for example, as 72627016036 + 150536240100 = 269494^2 + 387990^2 .

It is a super-3 number, since 3×223163256136³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223163256139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38175 + ... + 669166.

Almost surely, 2^223163256136 is an apocalyptic number.

It is an amenable number.

223163256136 is a deficient number, since it is larger than the sum of its proper divisors (200180930864).

223163256136 is a wasteful number, since it uses less digits than its factorization.

223163256136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707809 (or 707805 counting only the distinct ones).

The product of its digits is 233280, while the sum is 40.

The spelling of 223163256136 in words is "two hundred twenty-three billion, one hundred sixty-three million, two hundred fifty-six thousand, one hundred thirty-six".