23166054539 has 2 divisors, whose sum is σ = 23166054540. Its totient is φ = 23166054538.

The previous prime is 23166054533. The next prime is 23166054559. The reversal of 23166054539 is 93545066132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23166054539 - 2¹² = 23166050443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23166054539.

It is not a weakly prime, because it can be changed into another prime (23166054533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11583027269 + 11583027270.

It is an arithmetic number, because the mean of its divisors is an integer number (11583027270).

Almost surely, 2^23166054539 is an apocalyptic number.

23166054539 is a deficient number, since it is larger than the sum of its proper divisors (1).

23166054539 is an equidigital number, since it uses as much as digits as its factorization.

23166054539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 583200, while the sum is 44.

The spelling of 23166054539 in words is "twenty-three billion, one hundred sixty-six million, fifty-four thousand, five hundred thirty-nine".