64342723 has 2 divisors, whose sum is σ = 64342724. Its totient is φ = 64342722.

The previous prime is 64342709. The next prime is 64342727. The reversal of 64342723 is 32724346.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64342723 is a prime.

It is not a weakly prime, because it can be changed into another prime (64342727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32171361 + 32171362.

It is an arithmetic number, because the mean of its divisors is an integer number (32171362).

Almost surely, 2^64342723 is an apocalyptic number.

64342723 is a deficient number, since it is larger than the sum of its proper divisors (1).

64342723 is an equidigital number, since it uses as much as digits as its factorization.

64342723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 31.

The square root of 64342723 is about 8021.3915874990. The cubic root of 64342723 is about 400.7127355159.

The spelling of 64342723 in words is "sixty-four million, three hundred forty-two thousand, seven hundred twenty-three".