402023323031 has 8 divisors (see below), whose sum is σ = 438576282000. Its totient is φ = 365471261440.

The previous prime is 402023323027. The next prime is 402023323081. The reversal of 402023323031 is 130323320204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 402023323031 - 2² = 402023323027 is a prime.

It is a super-2 number, since 2×402023323031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402023322988 and 402023323006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402023323081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1005575 + ... + 1347303.

It is an arithmetic number, because the mean of its divisors is an integer number (54822035250).

Almost surely, 2^402023323031 is an apocalyptic number.

402023323031 is a deficient number, since it is larger than the sum of its proper divisors (36552958969).

402023323031 is a wasteful number, since it uses less digits than its factorization.

402023323031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448689.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 402023323031 its reverse (130323320204), we get a palindrome (532346643235).

The spelling of 402023323031 in words is "four hundred two billion, twenty-three million, three hundred twenty-three thousand, thirty-one".