64411423 has 2 divisors, whose sum is σ = 64411424. Its totient is φ = 64411422.

The previous prime is 64411409. The next prime is 64411433. The reversal of 64411423 is 32411446.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64411423 - 2⁹ = 64410911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64411433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32205711 + 32205712.

It is an arithmetic number, because the mean of its divisors is an integer number (32205712).

Almost surely, 2^64411423 is an apocalyptic number.

64411423 is a deficient number, since it is larger than the sum of its proper divisors (1).

64411423 is an equidigital number, since it uses as much as digits as its factorization.

64411423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 25.

The square root of 64411423 is about 8025.6727443872. The cubic root of 64411423 is about 400.8553010966.

Adding to 64411423 its reverse (32411446), we get a palindrome (96822869).

The spelling of 64411423 in words is "sixty-four million, four hundred eleven thousand, four hundred twenty-three".