423812634 has 32 divisors (see below), whose sum is σ = 971066880. Its totient is φ = 120795312.

The previous prime is 423812629. The next prime is 423812639. The reversal of 423812634 is 436218324.

It is an interprime number because it is at equal distance from previous prime (423812629) and next prime (423812639).

It is a junction number, because it is equal to n+sod(n) for n = 423812595 and 423812604.

It is not an unprimeable number, because it can be changed into a prime (423812639) 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, 5557 + ... + 29639.

It is an arithmetic number, because the mean of its divisors is an integer number (30345840).

Almost surely, 2^423812634 is an apocalyptic number.

423812634 is an abundant number, since it is smaller than the sum of its proper divisors (547254246).

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

423812634 is a wasteful number, since it uses less digits than its factorization.

423812634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24514.

The product of its digits is 27648, while the sum is 33.

The square root of 423812634 is about 20586.7101305672. The cubic root of 423812634 is about 751.1464741253.

The spelling of 423812634 in words is "four hundred twenty-three million, eight hundred twelve thousand, six hundred thirty-four".