223451769956 has 12 divisors (see below), whose sum is σ = 392221991280. Its totient is φ = 111388343880.

The previous prime is 223451769953. The next prime is 223451769979. The reversal of 223451769956 is 659967154322.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 223451769895 and 223451769904.

It is not an unprimeable number, because it can be changed into a prime (223451769953) 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, 84383786 + ... + 84386433.

It is an arithmetic number, because the mean of its divisors is an integer number (32685165940).

Almost surely, 2^223451769956 is an apocalyptic number.

It is an amenable number.

223451769956 is a deficient number, since it is larger than the sum of its proper divisors (168770221324).

223451769956 is a wasteful number, since it uses less digits than its factorization.

223451769956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168770554 (or 168770552 counting only the distinct ones).

The product of its digits is 24494400, while the sum is 59.

The spelling of 223451769956 in words is "two hundred twenty-three billion, four hundred fifty-one million, seven hundred sixty-nine thousand, nine hundred fifty-six".