423111400402 has 16 divisors (see below), whose sum is σ = 672013375992. Its totient is φ = 199107420160.

The previous prime is 423111400391. The next prime is 423111400417. The reversal of 423111400402 is 204004111324.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 234024705121 + 189086695281 = 483761^2 + 434841^2 .

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, 2518998 + ... + 2681710.

Almost surely, 2^423111400402 is an apocalyptic number.

423111400402 is a deficient number, since it is larger than the sum of its proper divisors (248901975590).

423111400402 is a wasteful number, since it uses less digits than its factorization.

423111400402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239213.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 423111400402 its reverse (204004111324), we get a palindrome (627115511726).

The spelling of 423111400402 in words is "four hundred twenty-three billion, one hundred eleven million, four hundred thousand, four hundred two".