70718423 has 2 divisors, whose sum is σ = 70718424. Its totient is φ = 70718422.

The previous prime is 70718411. The next prime is 70718447. The reversal of 70718423 is 32481707.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70718423 - 2²⁴ = 53941207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70718423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70718023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35359211 + 35359212.

It is an arithmetic number, because the mean of its divisors is an integer number (35359212).

Almost surely, 2^70718423 is an apocalyptic number.

70718423 is a deficient number, since it is larger than the sum of its proper divisors (1).

70718423 is an equidigital number, since it uses as much as digits as its factorization.

70718423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 70718423 is about 8409.4246533280. The cubic root of 70718423 is about 413.5336510958.

The spelling of 70718423 in words is "seventy million, seven hundred eighteen thousand, four hundred twenty-three".