403220401023 has 16 divisors (see below), whose sum is σ = 621002543616. Its totient is φ = 230000941440.

The previous prime is 403220400937. The next prime is 403220401027. The reversal of 403220401023 is 320104022304.

It is not a de Polignac number, because 403220401023 - 2⁸ = 403220400767 is a prime.

It is a super-2 number, since 2×403220401023² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403220401027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359375911 + ... + 359377032.

It is an arithmetic number, because the mean of its divisors is an integer number (38812658976).

Almost surely, 2^403220401023 is an apocalyptic number.

403220401023 is a deficient number, since it is larger than the sum of its proper divisors (217782142593).

403220401023 is a wasteful number, since it uses less digits than its factorization.

403220401023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718752974.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 403220401023 its reverse (320104022304), we get a palindrome (723324423327).

The spelling of 403220401023 in words is "four hundred three billion, two hundred twenty million, four hundred one thousand, twenty-three".