223894029864 has 32 divisors (see below), whose sum is σ = 559825308000. Its totient is φ = 74619312192.

The previous prime is 223894029841. The next prime is 223894029869. The reversal of 223894029864 is 468920498322.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (223894029869) 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, 599334 + ... + 898325.

It is an arithmetic number, because the mean of its divisors is an integer number (17494540875).

Almost surely, 2^223894029864 is an apocalyptic number.

223894029864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

223894029864 is an abundant number, since it is smaller than the sum of its proper divisors (335931278136).

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

223894029864 is a wasteful number, since it uses less digits than its factorization.

223894029864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503897 (or 1503893 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 57.

The spelling of 223894029864 in words is "two hundred twenty-three billion, eight hundred ninety-four million, twenty-nine thousand, eight hundred sixty-four".