20102310023 has 4 divisors (see below), whose sum is σ = 21160326360. Its totient is φ = 19044293688.

The previous prime is 20102310001. The next prime is 20102310029. The reversal of 20102310023 is 32001320102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32001320102 = 2 ⋅16000660051.

It is a cyclic number.

It is not a de Polignac number, because 20102310023 - 2⁸ = 20102309767 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 (20102310029) 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, 529008140 + ... + 529008177.

It is an arithmetic number, because the mean of its divisors is an integer number (5290081590).

Almost surely, 2^20102310023 is an apocalyptic number.

20102310023 is a deficient number, since it is larger than the sum of its proper divisors (1058016337).

20102310023 is a wasteful number, since it uses less digits than its factorization.

20102310023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058016336.

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

Adding to 20102310023 its reverse (32001320102), we get a palindrome (52103630125).

The spelling of 20102310023 in words is "twenty billion, one hundred two million, three hundred ten thousand, twenty-three".