89123863 has 2 divisors, whose sum is σ = 89123864. Its totient is φ = 89123862.

The previous prime is 89123849. The next prime is 89123887. The reversal of 89123863 is 36832198.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89123863 - 2²⁵ = 55569431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89123803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44561931 + 44561932.

It is an arithmetic number, because the mean of its divisors is an integer number (44561932).

Almost surely, 2^89123863 is an apocalyptic number.

89123863 is a deficient number, since it is larger than the sum of its proper divisors (1).

89123863 is an equidigital number, since it uses as much as digits as its factorization.

89123863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 40.

The square root of 89123863 is about 9440.5435754516. The cubic root of 89123863 is about 446.6815359150.

The spelling of 89123863 in words is "eighty-nine million, one hundred twenty-three thousand, eight hundred sixty-three".