22371745723 has 2 divisors, whose sum is σ = 22371745724. Its totient is φ = 22371745722.

The previous prime is 22371745699. The next prime is 22371745801. The reversal of 22371745723 is 32754717322.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22371745723 - 2⁵ = 22371745691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22371745723.

It is not a weakly prime, because it can be changed into another prime (22371745423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11185872861 + 11185872862.

It is an arithmetic number, because the mean of its divisors is an integer number (11185872862).

Almost surely, 2^22371745723 is an apocalyptic number.

22371745723 is a deficient number, since it is larger than the sum of its proper divisors (1).

22371745723 is an equidigital number, since it uses as much as digits as its factorization.

22371745723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 493920, while the sum is 43.

The spelling of 22371745723 in words is "twenty-two billion, three hundred seventy-one million, seven hundred forty-five thousand, seven hundred twenty-three".