22531501211423 has 2 divisors, whose sum is σ = 22531501211424. Its totient is φ = 22531501211422.

The previous prime is 22531501211399. The next prime is 22531501211521. The reversal of 22531501211423 is 32411210513522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22531501211423 - 2³⁸ = 22256623304479 is a prime.

It is a super-2 number, since 2×22531501211423² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22531501211423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22531501211123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11265750605711 + 11265750605712.

It is an arithmetic number, because the mean of its divisors is an integer number (11265750605712).

Almost surely, 2^{22531501211423} is an apocalyptic number.

22531501211423 is a deficient number, since it is larger than the sum of its proper divisors (1).

22531501211423 is an equidigital number, since it uses as much as digits as its factorization.

22531501211423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 22531501211423 its reverse (32411210513522), we get a palindrome (54942711724945).

The spelling of 22531501211423 in words is "twenty-two trillion, five hundred thirty-one billion, five hundred one million, two hundred eleven thousand, four hundred twenty-three".