70350923 has 4 divisors (see below), whose sum is σ = 70624920. Its totient is φ = 70076928.

The previous prime is 70350919. The next prime is 70350937. The reversal of 70350923 is 32905307.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32905307 = 103 ⋅319469.

It is a cyclic number.

It is not a de Polignac number, because 70350923 - 2² = 70350919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70350983) 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, 136613 + ... + 137126.

It is an arithmetic number, because the mean of its divisors is an integer number (17656230).

Almost surely, 2^70350923 is an apocalyptic number.

70350923 is a deficient number, since it is larger than the sum of its proper divisors (273997).

70350923 is a wasteful number, since it uses less digits than its factorization.

70350923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273996.

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 70350923 is about 8387.5457077741. The cubic root of 70350923 is about 412.8160746143.

The spelling of 70350923 in words is "seventy million, three hundred fifty thousand, nine hundred twenty-three".