223456689000 has 96 divisors (see below), whose sum is σ = 755283639240. Its totient is φ = 59588448000.

The previous prime is 223456688993. The next prime is 223456689007. The reversal of 223456689000 is 986654322.

223456689000 is a `hidden beast` number, since 2 + 2 + 3 + 4 + 566 + 89 + 0 + 0 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (223456688993) and next prime (223456689007).

It can be written as a sum of positive squares in 4 ways, for example, as 44319512484 + 179137176516 = 210522^2 + 423246^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (223456689007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12405261 + ... + 12423260.

Almost surely, 2^223456689000 is an apocalyptic number.

223456689000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223456689000 is an abundant number, since it is smaller than the sum of its proper divisors (531826950240).

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

223456689000 is a wasteful number, since it uses less digits than its factorization.

223456689000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24828548 (or 24828531 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 223456689000 in words is "two hundred twenty-three billion, four hundred fifty-six million, six hundred eighty-nine thousand".