22140021023 has 2 divisors, whose sum is σ = 22140021024. Its totient is φ = 22140021022.

The previous prime is 22140020999. The next prime is 22140021067. The reversal of 22140021023 is 32012004122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22140021023 - 2³² = 17845053727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22140020992 and 22140021010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22140021623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11070010511 + 11070010512.

It is an arithmetic number, because the mean of its divisors is an integer number (11070010512).

Almost surely, 2^22140021023 is an apocalyptic number.

22140021023 is a deficient number, since it is larger than the sum of its proper divisors (1).

22140021023 is an equidigital number, since it uses as much as digits as its factorization.

22140021023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22140021023 its reverse (32012004122), we get a palindrome (54152025145).

The spelling of 22140021023 in words is "twenty-two billion, one hundred forty million, twenty-one thousand, twenty-three".