89922844523 has 2 divisors, whose sum is σ = 89922844524. Its totient is φ = 89922844522.

The previous prime is 89922844519. The next prime is 89922844541. The reversal of 89922844523 is 32544822998.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89922844523 - 2² = 89922844519 is a prime.

It is a super-2 number, since 2×89922844523² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (89922804523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44961422261 + 44961422262.

It is an arithmetic number, because the mean of its divisors is an integer number (44961422262).

Almost surely, 2^89922844523 is an apocalyptic number.

89922844523 is a deficient number, since it is larger than the sum of its proper divisors (1).

89922844523 is an equidigital number, since it uses as much as digits as its factorization.

89922844523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9953280, while the sum is 56.

The spelling of 89922844523 in words is "eighty-nine billion, nine hundred twenty-two million, eight hundred forty-four thousand, five hundred twenty-three".