64124323 has 4 divisors (see below), whose sum is σ = 67896360. Its totient is φ = 60352288.

The previous prime is 64124317. The next prime is 64124339. The reversal of 64124323 is 32342146.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64124323 is a prime.

It is a super-2 number, since 2×64124323² = 8223857600416658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64124303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1885993 + ... + 1886026.

It is an arithmetic number, because the mean of its divisors is an integer number (16974090).

Almost surely, 2^64124323 is an apocalyptic number.

64124323 is a deficient number, since it is larger than the sum of its proper divisors (3772037).

64124323 is a wasteful number, since it uses less digits than its factorization.

64124323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3772036.

The product of its digits is 3456, while the sum is 25.

The square root of 64124323 is about 8007.7664176723. The cubic root of 64124323 is about 400.2588387202.

Adding to 64124323 its reverse (32342146), we get a palindrome (96466469).

It can be divided in two parts, 641 and 24323, that added together give a square (24964 = 158²).

The spelling of 64124323 in words is "sixty-four million, one hundred twenty-four thousand, three hundred twenty-three".