423351656 has 32 divisors (see below), whose sum is σ = 976967040. Its totient is φ = 167479488.

The previous prime is 423351653. The next prime is 423351659. The reversal of 423351656 is 656153324.

It is an interprime number because it is at equal distance from previous prime (423351653) and next prime (423351659).

It is not an unprimeable number, because it can be changed into a prime (423351653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290036 + ... + 291491.

It is an arithmetic number, because the mean of its divisors is an integer number (30530220).

Almost surely, 2^423351656 is an apocalyptic number.

It is an amenable number.

423351656 is an abundant number, since it is smaller than the sum of its proper divisors (553615384).

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

423351656 is a wasteful number, since it uses less digits than its factorization.

423351656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581553 (or 581549 counting only the distinct ones).

The product of its digits is 64800, while the sum is 35.

The square root of 423351656 is about 20575.5110750620. The cubic root of 423351656 is about 750.8740364255.

The spelling of 423351656 in words is "four hundred twenty-three million, three hundred fifty-one thousand, six hundred fifty-six".