89563423 has 2 divisors, whose sum is σ = 89563424. Its totient is φ = 89563422.

The previous prime is 89563417. The next prime is 89563451. The reversal of 89563423 is 32436598.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89563423 - 2⁹ = 89562911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89563493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44781711 + 44781712.

It is an arithmetic number, because the mean of its divisors is an integer number (44781712).

Almost surely, 2^89563423 is an apocalyptic number.

89563423 is a deficient number, since it is larger than the sum of its proper divisors (1).

89563423 is an equidigital number, since it uses as much as digits as its factorization.

89563423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 40.

The square root of 89563423 is about 9463.7953802901. The cubic root of 89563423 is about 447.4146782393.

The spelling of 89563423 in words is "eighty-nine million, five hundred sixty-three thousand, four hundred twenty-three".