23133554497 has 2 divisors, whose sum is σ = 23133554498. Its totient is φ = 23133554496.

The previous prime is 23133554471. The next prime is 23133554501. The reversal of 23133554497 is 79445533132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13115746576 + 10017807921 = 114524^2 + 100089^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23133554497 is a prime.

It is a super-3 number, since 3×23133554497³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (23133554407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11566777248 + 11566777249.

It is an arithmetic number, because the mean of its divisors is an integer number (11566777249).

Almost surely, 2^23133554497 is an apocalyptic number.

It is an amenable number.

23133554497 is a deficient number, since it is larger than the sum of its proper divisors (1).

23133554497 is an equidigital number, since it uses as much as digits as its factorization.

23133554497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1360800, while the sum is 46.

The spelling of 23133554497 in words is "twenty-three billion, one hundred thirty-three million, five hundred fifty-four thousand, four hundred ninety-seven".