202100023130023 has 4 divisors (see below), whose sum is σ = 202101744258288. Its totient is φ = 202098302001760.

The previous prime is 202100023129997. The next prime is 202100023130077. The reversal of 202100023130023 is 320031320001202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202100023130023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202100023131023) 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, 860387986 + ... + 860622847.

It is an arithmetic number, because the mean of its divisors is an integer number (50525436064572).

Almost surely, 2^{202100023130023} is an apocalyptic number.

202100023130023 is a deficient number, since it is larger than the sum of its proper divisors (1721128265).

202100023130023 is a wasteful number, since it uses less digits than its factorization.

202100023130023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721128264.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 202100023130023 its reverse (320031320001202), we get a palindrome (522131343131225).

The spelling of 202100023130023 in words is "two hundred two trillion, one hundred billion, twenty-three million, one hundred thirty thousand, twenty-three".