64871423 has 2 divisors, whose sum is σ = 64871424. Its totient is φ = 64871422.

The previous prime is 64871383. The next prime is 64871447. The reversal of 64871423 is 32417846.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64871423 - 2¹⁴ = 64855039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64871483) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32435711 + 32435712.

It is an arithmetic number, because the mean of its divisors is an integer number (32435712).

Almost surely, 2^64871423 is an apocalyptic number.

64871423 is a deficient number, since it is larger than the sum of its proper divisors (1).

64871423 is an equidigital number, since it uses as much as digits as its factorization.

64871423 is an evil number, because the sum of its binary digits is even.

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

The square root of 64871423 is about 8054.2797939977. The cubic root of 64871423 is about 401.8072865733.

The spelling of 64871423 in words is "sixty-four million, eight hundred seventy-one thousand, four hundred twenty-three".