22053723 has 8 divisors (see below), whose sum is σ = 29510736. Its totient is φ = 14649600.

The previous prime is 22053721. The next prime is 22053751. The reversal of 22053723 is 32735022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22053723 - 2¹ = 22053721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22053693 and 22053702.

It is not an unprimeable number, because it can be changed into a prime (22053721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12238 + ... + 13923.

It is an arithmetic number, because the mean of its divisors is an integer number (3688842).

Almost surely, 2^22053723 is an apocalyptic number.

22053723 is a deficient number, since it is larger than the sum of its proper divisors (7457013).

22053723 is a wasteful number, since it uses less digits than its factorization.

22053723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26445.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 22053723 is about 4696.1391589262. The cubic root of 22053723 is about 280.4318294179.

Adding to 22053723 its reverse (32735022), we get a palindrome (54788745).

The spelling of 22053723 in words is "twenty-two million, fifty-three thousand, seven hundred twenty-three".