70243823 has 8 divisors (see below), whose sum is σ = 75866448. Its totient is φ = 64652544.

The previous prime is 70243819. The next prime is 70243843. The reversal of 70243823 is 32834207.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70243823 - 2² = 70243819 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 (70243843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3065 + ... + 12242.

It is an arithmetic number, because the mean of its divisors is an integer number (9483306).

Almost surely, 2^70243823 is an apocalyptic number.

70243823 is a deficient number, since it is larger than the sum of its proper divisors (5622625).

70243823 is a wasteful number, since it uses less digits than its factorization.

70243823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15673.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 70243823 is about 8381.1588100930. The cubic root of 70243823 is about 412.6064822135.

The spelling of 70243823 in words is "seventy million, two hundred forty-three thousand, eight hundred twenty-three".