402023034 has 32 divisors (see below), whose sum is σ = 1021011840. Its totient is φ = 114863616.

The previous prime is 402022949. The next prime is 402023059. The reversal of 402023034 is 430320204.

402023034 is a `hidden beast` number, since 402 + 0 + 230 + 34 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 402022998 and 402023016.

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, 531399 + ... + 532154.

It is an arithmetic number, because the mean of its divisors is an integer number (31906620).

Almost surely, 2^402023034 is an apocalyptic number.

402023034 is an abundant number, since it is smaller than the sum of its proper divisors (618988806).

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

402023034 is a wasteful number, since it uses less digits than its factorization.

402023034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063571 (or 1063565 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 402023034 is about 20050.5120632866. The cubic root of 402023034 is about 738.0463649898.

Adding to 402023034 its reverse (430320204), we get a palindrome (832343238).

The spelling of 402023034 in words is "four hundred two million, twenty-three thousand, thirty-four".