22023121431 has 32 divisors (see below), whose sum is σ = 29933568000. Its totient is φ = 14400273888.

The previous prime is 22023121409. The next prime is 22023121447. The reversal of 22023121431 is 13412132022.

It is not a de Polignac number, because 22023121431 - 2⁵ = 22023121399 is a prime.

It is a super-2 number, since 2×22023121431² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22023121398 and 22023121407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22023121231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45977050 + ... + 45977528.

It is an arithmetic number, because the mean of its divisors is an integer number (935424000).

Almost surely, 2^22023121431 is an apocalyptic number.

22023121431 is a deficient number, since it is larger than the sum of its proper divisors (7910446569).

22023121431 is a wasteful number, since it uses less digits than its factorization.

22023121431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 22023121431 its reverse (13412132022), we get a palindrome (35435253453).

The spelling of 22023121431 in words is "twenty-two billion, twenty-three million, one hundred twenty-one thousand, four hundred thirty-one".