859450023 has 12 divisors (see below), whose sum is σ = 1274980408. Its totient is φ = 557480880.

The previous prime is 859450019. The next prime is 859450051. The reversal of 859450023 is 320054958.

It is not a de Polignac number, because 859450023 - 2² = 859450019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 859450023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (859450013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1290133 + ... + 1290798.

Almost surely, 2^859450023 is an apocalyptic number.

859450023 is a deficient number, since it is larger than the sum of its proper divisors (415530385).

859450023 is a wasteful number, since it uses less digits than its factorization.

859450023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580974 (or 2580971 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 859450023 is about 29316.3780675581. The cubic root of 859450023 is about 950.7657807031.

The spelling of 859450023 in words is "eight hundred fifty-nine million, four hundred fifty thousand, twenty-three".