402422001023 has 32 divisors (see below), whose sum is σ = 491038141440. Its totient is φ = 322112090880.

The previous prime is 402422001011. The next prime is 402422001029. The reversal of 402422001023 is 320100224204.

It is a cyclic number.

It is not a de Polignac number, because 402422001023 - 2²⁰ = 402420952447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402422000986 and 402422001004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402422001029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17765861 + ... + 17788497.

It is an arithmetic number, because the mean of its divisors is an integer number (15344941920).

Almost surely, 2^402422001023 is an apocalyptic number.

402422001023 is a deficient number, since it is larger than the sum of its proper divisors (88616140417).

402422001023 is a wasteful number, since it uses less digits than its factorization.

402422001023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24567.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 402422001023 its reverse (320100224204), we get a palindrome (722522225227).

The spelling of 402422001023 in words is "four hundred two billion, four hundred twenty-two million, one thousand, twenty-three".