53923723 has 4 divisors (see below), whose sum is σ = 61627120. Its totient is φ = 46220328.

The previous prime is 53923697. The next prime is 53923739. The reversal of 53923723 is 32732935.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32732935 = 5 ⋅6546587.

It is not a de Polignac number, because 53923723 - 2⁹ = 53923211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53923123) 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, 3851688 + ... + 3851701.

It is an arithmetic number, because the mean of its divisors is an integer number (15406780).

Almost surely, 2^53923723 is an apocalyptic number.

53923723 is a deficient number, since it is larger than the sum of its proper divisors (7703397).

53923723 is an equidigital number, since it uses as much as digits as its factorization.

53923723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7703396.

The product of its digits is 34020, while the sum is 34.

The square root of 53923723 is about 7343.2774018145. The cubic root of 53923723 is about 377.7982625923.

The spelling of 53923723 in words is "fifty-three million, nine hundred twenty-three thousand, seven hundred twenty-three".