23145233105429 has 2 divisors, whose sum is σ = 23145233105430. Its totient is φ = 23145233105428.

The previous prime is 23145233105317. The next prime is 23145233105503. The reversal of 23145233105429 is 92450133254132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11903811036100 + 11241422069329 = 3450190^2 + 3352823^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23145233105429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23145233105429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23145233101429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11572616552714 + 11572616552715.

It is an arithmetic number, because the mean of its divisors is an integer number (11572616552715).

Almost surely, 2^{23145233105429} is an apocalyptic number.

It is an amenable number.

23145233105429 is a deficient number, since it is larger than the sum of its proper divisors (1).

23145233105429 is an equidigital number, since it uses as much as digits as its factorization.

23145233105429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 23145233105429 in words is "twenty-three trillion, one hundred forty-five billion, two hundred thirty-three million, one hundred five thousand, four hundred twenty-nine".