20131422023 has 4 divisors (see below), whose sum is σ = 20132769720. Its totient is φ = 20130074328.

The previous prime is 20131422007. The next prime is 20131422071. The reversal of 20131422023 is 32022413102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32022413102 = 2 ⋅16011206551.

It is a cyclic number.

It is not a de Polignac number, because 20131422023 - 2⁴ = 20131422007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20131421986 and 20131422004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20131427023) 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, 651188 + ... + 681401.

It is an arithmetic number, because the mean of its divisors is an integer number (5033192430).

Almost surely, 2^20131422023 is an apocalyptic number.

20131422023 is a deficient number, since it is larger than the sum of its proper divisors (1347697).

20131422023 is a wasteful number, since it uses less digits than its factorization.

20131422023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347696.

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

Adding to 20131422023 its reverse (32022413102), we get a palindrome (52153835125).

The spelling of 20131422023 in words is "twenty billion, one hundred thirty-one million, four hundred twenty-two thousand, twenty-three".