100402341023 has 4 divisors (see below), whose sum is σ = 100906875600. Its totient is φ = 99897806448.

The previous prime is 100402341019. The next prime is 100402341047. The reversal of 100402341023 is 320143204001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320143204001 = 4229 ⋅75701869.

It is a cyclic number.

It is not a de Polignac number, because 100402341023 - 2² = 100402341019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100402340986 and 100402341004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100402340023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252266990 + ... + 252267387.

It is an arithmetic number, because the mean of its divisors is an integer number (25226718900).

Almost surely, 2^100402341023 is an apocalyptic number.

100402341023 is a deficient number, since it is larger than the sum of its proper divisors (504534577).

100402341023 is an equidigital number, since it uses as much as digits as its factorization.

100402341023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504534576.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 100402341023 its reverse (320143204001), we get a palindrome (420545545024).

The spelling of 100402341023 in words is "one hundred billion, four hundred two million, three hundred forty-one thousand, twenty-three".