22131012023 has 4 divisors (see below), whose sum is σ = 22132823448. Its totient is φ = 22129200600.

The previous prime is 22131011989. The next prime is 22131012089. The reversal of 22131012023 is 32021013122.

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

It is a cyclic number.

It is not a de Polignac number, because 22131012023 - 2²⁰ = 22129963447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22131011992 and 22131012010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22131032023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 887261 + ... + 911862.

It is an arithmetic number, because the mean of its divisors is an integer number (5533205862).

Almost surely, 2^22131012023 is an apocalyptic number.

22131012023 is a deficient number, since it is larger than the sum of its proper divisors (1811425).

22131012023 is a wasteful number, since it uses less digits than its factorization.

22131012023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811424.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22131012023 its reverse (32021013122), we get a palindrome (54152025145).

The spelling of 22131012023 in words is "twenty-two billion, one hundred thirty-one million, twelve thousand, twenty-three".