89869723 has 2 divisors, whose sum is σ = 89869724. Its totient is φ = 89869722.

The previous prime is 89869721. The next prime is 89869727. The reversal of 89869723 is 32796898.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89869723 - 2¹ = 89869721 is a prime.

It is a super-2 number, since 2×89869723² = 16153134224193458, which contains 22 as substring.

Together with 89869721, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (89869721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44934861 + 44934862.

It is an arithmetic number, because the mean of its divisors is an integer number (44934862).

Almost surely, 2^89869723 is an apocalyptic number.

89869723 is a deficient number, since it is larger than the sum of its proper divisors (1).

89869723 is an equidigital number, since it uses as much as digits as its factorization.

89869723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 52.

The square root of 89869723 is about 9479.9642931817. The cubic root of 89869723 is about 447.9241391400.

The spelling of 89869723 in words is "eighty-nine million, eight hundred sixty-nine thousand, seven hundred twenty-three".