402423102 has 24 divisors (see below), whose sum is σ = 872416584. Its totient is φ = 134064144.

The previous prime is 402423089. The next prime is 402423127. The reversal of 402423102 is 201324204.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32128 + ... + 42860.

It is an arithmetic number, because the mean of its divisors is an integer number (36350691).

Almost surely, 2^402423102 is an apocalyptic number.

402423102 is an abundant number, since it is smaller than the sum of its proper divisors (469993482).

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

402423102 is a wasteful number, since it uses less digits than its factorization.

402423102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12824 (or 12821 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 402423102 is about 20060.4860858355. The cubic root of 402423102 is about 738.2911029094.

Adding to 402423102 its reverse (201324204), we get a palindrome (603747306).

The spelling of 402423102 in words is "four hundred two million, four hundred twenty-three thousand, one hundred two".