62666423 has 2 divisors, whose sum is σ = 62666424. Its totient is φ = 62666422.

The previous prime is 62666381. The next prime is 62666447. The reversal of 62666423 is 32466626.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 62666423 - 2⁸ = 62666167 is a prime.

It is a super-2 number, since 2×62666423² = 7854161143229858, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (62666453) 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, 31333211 + 31333212.

It is an arithmetic number, because the mean of its divisors is an integer number (31333212).

Almost surely, 2^62666423 is an apocalyptic number.

62666423 is a deficient number, since it is larger than the sum of its proper divisors (1).

62666423 is an equidigital number, since it uses as much as digits as its factorization.

62666423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 35.

The square root of 62666423 is about 7916.2126676840. The cubic root of 62666423 is about 397.2021908696.

The spelling of 62666423 in words is "sixty-two million, six hundred sixty-six thousand, four hundred twenty-three".