13172023 has 2 divisors, whose sum is σ = 13172024. Its totient is φ = 13172022.

The previous prime is 13171987. The next prime is 13172051. The reversal of 13172023 is 32027131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13172023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13172053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6586011 + 6586012.

It is an arithmetic number, because the mean of its divisors is an integer number (6586012).

Almost surely, 2^13172023 is an apocalyptic number.

13172023 is a deficient number, since it is larger than the sum of its proper divisors (1).

13172023 is an equidigital number, since it uses as much as digits as its factorization.

13172023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 13172023 is about 3629.3281747453. The cubic root of 13172023 is about 236.1660650106.

Adding to 13172023 its reverse (32027131), we get a palindrome (45199154).

The spelling of 13172023 in words is "thirteen million, one hundred seventy-two thousand, twenty-three".