64874123 has 2 divisors, whose sum is σ = 64874124. Its totient is φ = 64874122.

The previous prime is 64874111. The next prime is 64874129. The reversal of 64874123 is 32147846.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64874123 - 2⁴ = 64874107 is a prime.

It is not a weakly prime, because it can be changed into another prime (64874129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32437061 + 32437062.

It is an arithmetic number, because the mean of its divisors is an integer number (32437062).

Almost surely, 2^64874123 is an apocalyptic number.

64874123 is a deficient number, since it is larger than the sum of its proper divisors (1).

64874123 is an equidigital number, since it uses as much as digits as its factorization.

64874123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 35.

The square root of 64874123 is about 8054.4474050055. The cubic root of 64874123 is about 401.8128610084.

The spelling of 64874123 in words is "sixty-four million, eight hundred seventy-four thousand, one hundred twenty-three".