223023232100 has 36 divisors (see below), whose sum is σ = 484090867764. Its totient is φ = 89185246080.

The previous prime is 223023232057. The next prime is 223023232109. The reversal of 223023232100 is 1232320322.

It can be written as a sum of positive squares in 6 ways, for example, as 50610601024 + 172412631076 = 224968^2 + 415226^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (223023232109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74582 + ... + 672018.

It is an arithmetic number, because the mean of its divisors is an integer number (13446968549).

Almost surely, 2^223023232100 is an apocalyptic number.

223023232100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223023232100 is an abundant number, since it is smaller than the sum of its proper divisors (261067635664).

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

223023232100 is a wasteful number, since it uses less digits than its factorization.

223023232100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601184 (or 601177 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 223023232100 its reverse (1232320322), we get a palindrome (224255552422).

The spelling of 223023232100 in words is "two hundred twenty-three billion, twenty-three million, two hundred thirty-two thousand, one hundred".