100023021023 has 16 divisors (see below), whose sum is σ = 111544231680. Its totient is φ = 89204708736.

The previous prime is 100023021017. The next prime is 100023021031. The reversal of 100023021023 is 320120320001.

It is a happy number.

It is not a de Polignac number, because 100023021023 - 2⁶ = 100023020959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100023020989 and 100023021007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100023021053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1153553 + ... + 1237226.

It is an arithmetic number, because the mean of its divisors is an integer number (6971514480).

Almost surely, 2^100023021023 is an apocalyptic number.

100023021023 is a deficient number, since it is larger than the sum of its proper divisors (11521210657).

100023021023 is a wasteful number, since it uses less digits than its factorization.

100023021023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390926.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 100023021023 its reverse (320120320001), we get a palindrome (420143341024).

The spelling of 100023021023 in words is "one hundred billion, twenty-three million, twenty-one thousand, twenty-three".