670791023 has 16 divisors (see below), whose sum is σ = 772285440. Its totient is φ = 570731616.

The previous prime is 670791007. The next prime is 670791041. The reversal of 670791023 is 320197076.

It is not a de Polignac number, because 670791023 - 2⁴ = 670791007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670791073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 914765 + ... + 915497.

It is an arithmetic number, because the mean of its divisors is an integer number (48267840).

Almost surely, 2^670791023 is an apocalyptic number.

670791023 is a deficient number, since it is larger than the sum of its proper divisors (101494417).

670791023 is a wasteful number, since it uses less digits than its factorization.

670791023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 670791023 is about 25899.6336460576. The cubic root of 670791023 is about 875.3782410435.

The spelling of 670791023 in words is "six hundred seventy million, seven hundred ninety-one thousand, twenty-three".