23445251225533 has 8 divisors (see below), whose sum is σ = 23660195470200. Its totient is φ = 23230437931008.

The previous prime is 23445251225521. The next prime is 23445251225537. The reversal of 23445251225533 is 33552215254432.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7287721378084 + 16157529847449 = 2699578^2 + 4019643^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 23445251225533 - 2⁹ = 23445251225021 is a prime.

It is a super-2 number, since 2×23445251225533² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23445251225537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32377798 + ... + 33093991.

It is an arithmetic number, because the mean of its divisors is an integer number (2957524433775).

Almost surely, 2^{23445251225533} is an apocalyptic number.

It is an amenable number.

23445251225533 is a deficient number, since it is larger than the sum of its proper divisors (214944244667).

23445251225533 is a wasteful number, since it uses less digits than its factorization.

23445251225533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65475071.

The product of its digits is 4320000, while the sum is 46.

Adding to 23445251225533 its reverse (33552215254432), we get a palindrome (56997466479965).

The spelling of 23445251225533 in words is "twenty-three trillion, four hundred forty-five billion, two hundred fifty-one million, two hundred twenty-five thousand, five hundred thirty-three".