23155132163029 has 2 divisors, whose sum is σ = 23155132163030. Its totient is φ = 23155132163028.

The previous prime is 23155132162999. The next prime is 23155132163041. The reversal of 23155132163029 is 92036123155132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17656787192004 + 5498344971025 = 4201998^2 + 2344855^2 .

It is a cyclic number.

It is not a de Polignac number, because 23155132163029 - 2⁵ = 23155132162997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23155132163729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11577566081514 + 11577566081515.

It is an arithmetic number, because the mean of its divisors is an integer number (11577566081515).

Almost surely, 2^{23155132163029} is an apocalyptic number.

It is an amenable number.

23155132163029 is a deficient number, since it is larger than the sum of its proper divisors (1).

23155132163029 is an equidigital number, since it uses as much as digits as its factorization.

23155132163029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 291600, while the sum is 43.

The spelling of 23155132163029 in words is "twenty-three trillion, one hundred fifty-five billion, one hundred thirty-two million, one hundred sixty-three thousand, twenty-nine".