870617023 has 2 divisors, whose sum is σ = 870617024. Its totient is φ = 870617022.

The previous prime is 870616973. The next prime is 870617081. The reversal of 870617023 is 320716078.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 870617023 - 2¹⁷ = 870485951 is a prime.

It is equal to p_44583910 and since 870617023 and 44583910 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 870617023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (870617093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435308511 + 435308512.

It is an arithmetic number, because the mean of its divisors is an integer number (435308512).

Almost surely, 2^870617023 is an apocalyptic number.

870617023 is a deficient number, since it is larger than the sum of its proper divisors (1).

870617023 is an equidigital number, since it uses as much as digits as its factorization.

870617023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 870617023 is about 29506.2200730626. The cubic root of 870617023 is about 954.8659015132.

The spelling of 870617023 in words is "eight hundred seventy million, six hundred seventeen thousand, twenty-three".