64035723 has 4 divisors (see below), whose sum is σ = 85380968. Its totient is φ = 42690480.

The previous prime is 64035701. The next prime is 64035733. The reversal of 64035723 is 32753046.

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

It is not a de Polignac number, because 64035723 - 2⁶ = 64035659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64035733) 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, 10672618 + ... + 10672623.

It is an arithmetic number, because the mean of its divisors is an integer number (21345242).

Almost surely, 2^64035723 is an apocalyptic number.

64035723 is a deficient number, since it is larger than the sum of its proper divisors (21345245).

64035723 is a wasteful number, since it uses less digits than its factorization.

64035723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21345244.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 64035723 is about 8002.2323760311. The cubic root of 64035723 is about 400.0744090740.

Adding to 64035723 its reverse (32753046), we get a palindrome (96788769).

It can be divided in two parts, 640 and 35723, that added together give a palindrome (36363).

The spelling of 64035723 in words is "sixty-four million, thirty-five thousand, seven hundred twenty-three".