223512928063 has 4 divisors (see below), whose sum is σ = 231220270440. Its totient is φ = 215805585688.

The previous prime is 223512928033. The next prime is 223512928087. The reversal of 223512928063 is 360829215322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 223512928063 - 2²⁵ = 223479373631 is a prime.

It is a super-2 number, since 2×223512928063² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223512928033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3853671145 + ... + 3853671202.

It is an arithmetic number, because the mean of its divisors is an integer number (57805067610).

Almost surely, 2^223512928063 is an apocalyptic number.

223512928063 is a deficient number, since it is larger than the sum of its proper divisors (7707342377).

223512928063 is an equidigital number, since it uses as much as digits as its factorization.

223512928063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7707342376.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 223512928063 in words is "two hundred twenty-three billion, five hundred twelve million, nine hundred twenty-eight thousand, sixty-three".