64923 has 16 divisors (see below), whose sum is σ = 97920. Its totient is φ = 38016.

The previous prime is 64921. The next prime is 64927. The reversal of 64923 is 32946.

It is not a de Polignac number, because 64923 - 2¹ = 64921 is a prime.

64923 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 64893 and 64902.

It is not an unprimeable number, because it can be changed into a prime (64921) 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, 936 + ... + 1002.

It is an arithmetic number, because the mean of its divisors is an integer number (6120).

2⁶⁴⁹²³ is an apocalyptic number.

64923 is a deficient number, since it is larger than the sum of its proper divisors (32997).

64923 is a wasteful number, since it uses less digits than its factorization.

64923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106.

The product of its digits is 1296, while the sum is 24.

The square root of 64923 is about 254.7999215071. The cubic root of 64923 is about 40.1913746005.

The spelling of 64923 in words is "sixty-four thousand, nine hundred twenty-three".