23133513253045 has 24 divisors (see below), whose sum is σ = 30060247840200. Its totient is φ = 17083000037376.

The previous prime is 23133513253013. The next prime is 23133513253051. The reversal of 23133513253045 is 54035231533132.

It can be written as a sum of positive squares in 12 ways, for example, as 5645342736049 + 17488170516996 = 2375993^2 + 4181886^2 .

It is not a de Polignac number, because 23133513253045 - 2⁵ = 23133513253013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23133513252989 and 23133513253007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116992021 + ... + 117189589.

It is an arithmetic number, because the mean of its divisors is an integer number (1252510326675).

Almost surely, 2^{23133513253045} is an apocalyptic number.

It is an amenable number.

23133513253045 is a deficient number, since it is larger than the sum of its proper divisors (6926734587155).

23133513253045 is a wasteful number, since it uses less digits than its factorization.

23133513253045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336169 (or 336156 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 40.

Adding to 23133513253045 its reverse (54035231533132), we get a palindrome (77168744786177).

The spelling of 23133513253045 in words is "twenty-three trillion, one hundred thirty-three billion, five hundred thirteen million, two hundred fifty-three thousand, forty-five".