85079023 has 2 divisors, whose sum is σ = 85079024. Its totient is φ = 85079022.

The previous prime is 85079009. The next prime is 85079053. The reversal of 85079023 is 32097058.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85079023 - 2²⁵ = 51524591 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85079023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85079053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42539511 + 42539512.

It is an arithmetic number, because the mean of its divisors is an integer number (42539512).

Almost surely, 2^85079023 is an apocalyptic number.

85079023 is a deficient number, since it is larger than the sum of its proper divisors (1).

85079023 is an equidigital number, since it uses as much as digits as its factorization.

85079023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 85079023 is about 9223.8290855805. The cubic root of 85079023 is about 439.8191801781.

The spelling of 85079023 in words is "eighty-five million, seventy-nine thousand, twenty-three".