223942362454820 has 48 divisors (see below), whose sum is σ = 480287060402688. Its totient is φ = 87670657537920.

The previous prime is 223942362454799. The next prime is 223942362454841. The reversal of 223942362454820 is 28454263249322.

It is an interprime number because it is at equal distance from previous prime (223942362454799) and next prime (223942362454841).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294350510 + ... + 295110330.

It is an arithmetic number, because the mean of its divisors is an integer number (10005980425056).

Almost surely, 2^{223942362454820} is an apocalyptic number.

223942362454820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223942362454820 is an abundant number, since it is smaller than the sum of its proper divisors (256344697947868).

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

223942362454820 is a wasteful number, since it uses less digits than its factorization.

223942362454820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073420 (or 1073418 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 56.

The spelling of 223942362454820 in words is "two hundred twenty-three trillion, nine hundred forty-two billion, three hundred sixty-two million, four hundred fifty-four thousand, eight hundred twenty".