22143515323 has 2 divisors, whose sum is σ = 22143515324. Its totient is φ = 22143515322.

The previous prime is 22143515237. The next prime is 22143515399. The reversal of 22143515323 is 32351534122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22143515323 - 2³³ = 13553580731 is a prime.

It is not a weakly prime, because it can be changed into another prime (22143515423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11071757661 + 11071757662.

It is an arithmetic number, because the mean of its divisors is an integer number (11071757662).

Almost surely, 2^22143515323 is an apocalyptic number.

22143515323 is a deficient number, since it is larger than the sum of its proper divisors (1).

22143515323 is an equidigital number, since it uses as much as digits as its factorization.

22143515323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 31.

The spelling of 22143515323 in words is "twenty-two billion, one hundred forty-three million, five hundred fifteen thousand, three hundred twenty-three".