23253722 has 8 divisors (see below), whose sum is σ = 36932436. Its totient is φ = 10942912.

The previous prime is 23253721. The next prime is 23253731. The reversal of 23253722 is 22735232.

It can be written as a sum of positive squares in 2 ways, for example, as 17147881 + 6105841 = 4141^2 + 2471^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 23253691 and 23253700.

It is not an unprimeable number, because it can be changed into a prime (23253721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341933 + ... + 342000.

Almost surely, 2^23253722 is an apocalyptic number.

23253722 is a deficient number, since it is larger than the sum of its proper divisors (13678714).

23253722 is a wasteful number, since it uses less digits than its factorization.

23253722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683952.

The product of its digits is 5040, while the sum is 26.

The square root of 23253722 is about 4822.2113184721. The cubic root of 23253722 is about 285.4286030871.

Adding to 23253722 its reverse (22735232), we get a palindrome (45988954).

The spelling of 23253722 in words is "twenty-three million, two hundred fifty-three thousand, seven hundred twenty-two".