402423002 has 16 divisors (see below), whose sum is σ = 636228000. Its totient is φ = 190374480.

The previous prime is 402422947. The next prime is 402423037. The reversal of 402423002 is 200324204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24749 + ... + 37647.

It is an arithmetic number, because the mean of its divisors is an integer number (39764250).

Almost surely, 2^402423002 is an apocalyptic number.

402423002 is a deficient number, since it is larger than the sum of its proper divisors (233804998).

402423002 is a wasteful number, since it uses less digits than its factorization.

402423002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13741.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 402423002 is about 20060.4835933733. The cubic root of 402423002 is about 738.2910417556.

Adding to 402423002 its reverse (200324204), we get a palindrome (602747206).

The spelling of 402423002 in words is "four hundred two million, four hundred twenty-three thousand, two".