89722923 has 16 divisors (see below), whose sum is σ = 126928800. Its totient is φ = 56180736.

The previous prime is 89722909. The next prime is 89722937. The reversal of 89722923 is 32922798.

It is an interprime number because it is at equal distance from previous prime (89722909) and next prime (89722937).

It is not a de Polignac number, because 89722923 - 2⁹ = 89722411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89722993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27903 + ... + 30951.

It is an arithmetic number, because the mean of its divisors is an integer number (7933050).

Almost surely, 2^89722923 is an apocalyptic number.

89722923 is a deficient number, since it is larger than the sum of its proper divisors (37205877).

89722923 is a wasteful number, since it uses less digits than its factorization.

89722923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3646.

The product of its digits is 108864, while the sum is 42.

The square root of 89722923 is about 9472.2184835444. The cubic root of 89722923 is about 447.6801151716.

The spelling of 89722923 in words is "eighty-nine million, seven hundred twenty-two thousand, nine hundred twenty-three".