64023723 has 16 divisors (see below), whose sum is σ = 95185440. Its totient is φ = 42531552.

The previous prime is 64023703. The next prime is 64023731. The reversal of 64023723 is 32732046.

It is not a de Polignac number, because 64023723 - 2¹⁶ = 63958187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (64023703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3865 + ... + 11957.

It is an arithmetic number, because the mean of its divisors is an integer number (5949090).

Almost surely, 2^64023723 is an apocalyptic number.

64023723 is a deficient number, since it is larger than the sum of its proper divisors (31161717).

64023723 is a wasteful number, since it uses less digits than its factorization.

64023723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8395 (or 8389 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 64023723 is about 8001.4825501278. The cubic root of 64023723 is about 400.0494168114.

Adding to 64023723 its reverse (32732046), we get a palindrome (96755769).

It can be divided in two parts, 64023 and 723, that added together give a palindrome (64746).

The spelling of 64023723 in words is "sixty-four million, twenty-three thousand, seven hundred twenty-three".