89623123 has 2 divisors, whose sum is σ = 89623124. Its totient is φ = 89623122.

The previous prime is 89623117. The next prime is 89623199. The reversal of 89623123 is 32132698.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89623123 is a prime.

It is not a weakly prime, because it can be changed into another prime (89623103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44811561 + 44811562.

It is an arithmetic number, because the mean of its divisors is an integer number (44811562).

Almost surely, 2^89623123 is an apocalyptic number.

89623123 is a deficient number, since it is larger than the sum of its proper divisors (1).

89623123 is an equidigital number, since it uses as much as digits as its factorization.

89623123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 34.

The square root of 89623123 is about 9466.9489805322. The cubic root of 89623123 is about 447.5140667426.

The spelling of 89623123 in words is "eighty-nine million, six hundred twenty-three thousand, one hundred twenty-three".