70317023 has 4 divisors (see below), whose sum is σ = 80362320. Its totient is φ = 60271728.

The previous prime is 70317017. The next prime is 70317067. The reversal of 70317023 is 32071307.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70317023 - 2¹⁸ = 70054879 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 70317023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70317523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5022638 + ... + 5022651.

It is an arithmetic number, because the mean of its divisors is an integer number (20090580).

Almost surely, 2^70317023 is an apocalyptic number.

70317023 is a deficient number, since it is larger than the sum of its proper divisors (10045297).

70317023 is a wasteful number, since it uses less digits than its factorization.

70317023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10045296.

The product of its (nonzero) digits is 882, while the sum is 23.

The square root of 70317023 is about 8385.5246108994. The cubic root of 70317023 is about 412.7497560654.

The spelling of 70317023 in words is "seventy million, three hundred seventeen thousand, twenty-three".