23133555541 has 2 divisors, whose sum is σ = 23133555542. Its totient is φ = 23133555540.

The previous prime is 23133555493. The next prime is 23133555551. The reversal of 23133555541 is 14555533132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23131368100 + 2187441 = 152090^2 + 1479^2 .

It is a cyclic number.

It is not a de Polignac number, because 23133555541 - 2¹⁵ = 23133522773 is a prime.

It is a super-2 number, since 2×23133555541² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23133555541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23133555551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11566777770 + 11566777771.

It is an arithmetic number, because the mean of its divisors is an integer number (11566777771).

Almost surely, 2^23133555541 is an apocalyptic number.

It is an amenable number.

23133555541 is a deficient number, since it is larger than the sum of its proper divisors (1).

23133555541 is an equidigital number, since it uses as much as digits as its factorization.

23133555541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 135000, while the sum is 37.

The spelling of 23133555541 in words is "twenty-three billion, one hundred thirty-three million, five hundred fifty-five thousand, five hundred forty-one".