20223013431123 has 20 divisors (see below), whose sum is σ = 30366213628168. Its totient is φ = 13412153975040.

The previous prime is 20223013431067. The next prime is 20223013431139. The reversal of 20223013431123 is 32113431032202.

20223013431123 is a `hidden beast` number, since 2 + 0 + 2 + 2 + 301 + 343 + 1 + 12 + 3 = 666.

It is not a de Polignac number, because 20223013431123 - 2¹⁰ = 20223013430099 is a prime.

It is a super-2 number, since 2×20223013431123² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20223013431143) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 646789633 + ... + 646820898.

Almost surely, 2^{20223013431123} is an apocalyptic number.

20223013431123 is a deficient number, since it is larger than the sum of its proper divisors (10143200197045).

20223013431123 is a wasteful number, since it uses less digits than its factorization.

20223013431123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293610736 (or 1293610727 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 20223013431123 its reverse (32113431032202), we get a palindrome (52336444463325).

The spelling of 20223013431123 in words is "twenty trillion, two hundred twenty-three billion, thirteen million, four hundred thirty-one thousand, one hundred twenty-three".