20088723 has 4 divisors (see below), whose sum is σ = 26784968. Its totient is φ = 13392480.

The previous prime is 20088707. The next prime is 20088727. The reversal of 20088723 is 32788002.

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

It is not a de Polignac number, because 20088723 - 2⁴ = 20088707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20088727) 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, 3348118 + ... + 3348123.

It is an arithmetic number, because the mean of its divisors is an integer number (6696242).

Almost surely, 2^20088723 is an apocalyptic number.

20088723 is a deficient number, since it is larger than the sum of its proper divisors (6696245).

20088723 is an equidigital number, since it uses as much as digits as its factorization.

20088723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6696244.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 20088723 is about 4482.0445111578. The cubic root of 20088723 is about 271.8425550396.

It can be divided in two parts, 2008 and 8723, that added together give a triangular number (10731 = T₁₄₆).

The spelling of 20088723 in words is "twenty million, eighty-eight thousand, seven hundred twenty-three".