423056868 has 48 divisors (see below), whose sum is σ = 1067920896. Its totient is φ = 129576960.

The previous prime is 423056863. The next prime is 423056873. The reversal of 423056868 is 868650324.

It is an interprime number because it is at equal distance from previous prime (423056863) and next prime (423056873).

It is a super-2 number, since 2×423056868² = 357954227123938848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (423056861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28708 + ... + 40868.

It is an arithmetic number, because the mean of its divisors is an integer number (22248352).

Almost surely, 2^423056868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423056868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (533960448).

423056868 is an abundant number, since it is smaller than the sum of its proper divisors (644864028).

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

423056868 is a wasteful number, since it uses less digits than its factorization.

423056868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12404 (or 12402 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 423056868 is about 20568.3462631297. The cubic root of 423056868 is about 750.6997132211.

The spelling of 423056868 in words is "four hundred twenty-three million, fifty-six thousand, eight hundred sixty-eight".