64441123 has 2 divisors, whose sum is σ = 64441124. Its totient is φ = 64441122.

The previous prime is 64441099. The next prime is 64441151. The reversal of 64441123 is 32114446.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64441123 is a prime.

It is a super-2 number, since 2×64441123² = 8305316667002258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64445123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32220561 + 32220562.

It is an arithmetic number, because the mean of its divisors is an integer number (32220562).

Almost surely, 2^64441123 is an apocalyptic number.

64441123 is a deficient number, since it is larger than the sum of its proper divisors (1).

64441123 is an equidigital number, since it uses as much as digits as its factorization.

64441123 is an odious number, because the sum of its binary digits is odd.

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

The square root of 64441123 is about 8027.5228433185. The cubic root of 64441123 is about 400.9169028669.

Adding to 64441123 its reverse (32114446), we get a palindrome (96555569).

The spelling of 64441123 in words is "sixty-four million, four hundred forty-one thousand, one hundred twenty-three".