64231223 has 8 divisors (see below), whose sum is σ = 75391392. Its totient is φ = 53567136.

The previous prime is 64231213. The next prime is 64231241. The reversal of 64231223 is 32213246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64231223 - 2⁶ = 64231159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64231213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123740 + ... + 124257.

It is an arithmetic number, because the mean of its divisors is an integer number (9423924).

Almost surely, 2^64231223 is an apocalyptic number.

64231223 is a deficient number, since it is larger than the sum of its proper divisors (11160169).

64231223 is a wasteful number, since it uses less digits than its factorization.

64231223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248041.

The product of its digits is 1728, while the sum is 23.

The square root of 64231223 is about 8014.4384082729. The cubic root of 64231223 is about 400.4811356226.

Adding to 64231223 its reverse (32213246), we get a palindrome (96444469).

The spelling of 64231223 in words is "sixty-four million, two hundred thirty-one thousand, two hundred twenty-three".