130172423 has 2 divisors, whose sum is σ = 130172424. Its totient is φ = 130172422.

The previous prime is 130172381. The next prime is 130172429. The reversal of 130172423 is 324271031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130172423 - 2⁸ = 130172167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130172429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65086211 + 65086212.

It is an arithmetic number, because the mean of its divisors is an integer number (65086212).

Almost surely, 2^130172423 is an apocalyptic number.

130172423 is a deficient number, since it is larger than the sum of its proper divisors (1).

130172423 is an equidigital number, since it uses as much as digits as its factorization.

130172423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 130172423 is about 11409.3129942166. The cubic root of 130172423 is about 506.8035670481.

The spelling of 130172423 in words is "one hundred thirty million, one hundred seventy-two thousand, four hundred twenty-three".