70347223 has 2 divisors, whose sum is σ = 70347224. Its totient is φ = 70347222.

The previous prime is 70347191. The next prime is 70347227. The reversal of 70347223 is 32274307.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70347223 - 2⁵ = 70347191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70347191 and 70347200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70347227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35173611 + 35173612.

It is an arithmetic number, because the mean of its divisors is an integer number (35173612).

Almost surely, 2^70347223 is an apocalyptic number.

70347223 is a deficient number, since it is larger than the sum of its proper divisors (1).

70347223 is an equidigital number, since it uses as much as digits as its factorization.

70347223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 70347223 is about 8387.3251397570. The cubic root of 70347223 is about 412.8088373425.

The spelling of 70347223 in words is "seventy million, three hundred forty-seven thousand, two hundred twenty-three".