23300072542133 has 2 divisors, whose sum is σ = 23300072542134. Its totient is φ = 23300072542132.

The previous prime is 23300072542057. The next prime is 23300072542163. The reversal of 23300072542133 is 33124527000332.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12201726651409 + 11098345890724 = 3493097^2 + 3331418^2 .

It is a cyclic number.

It is not a de Polignac number, because 23300072542133 - 2³⁸ = 23025194635189 is a prime.

It is a super-2 number, since 2×23300072542133² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23300072542093 and 23300072542102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23300072542163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11650036271066 + 11650036271067.

It is an arithmetic number, because the mean of its divisors is an integer number (11650036271067).

Almost surely, 2^{23300072542133} is an apocalyptic number.

It is an amenable number.

23300072542133 is a deficient number, since it is larger than the sum of its proper divisors (1).

23300072542133 is an equidigital number, since it uses as much as digits as its factorization.

23300072542133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 35.

Adding to 23300072542133 its reverse (33124527000332), we get a palindrome (56424599542465).

The spelling of 23300072542133 in words is "twenty-three trillion, three hundred billion, seventy-two million, five hundred forty-two thousand, one hundred thirty-three".