180164423 has 2 divisors, whose sum is σ = 180164424. Its totient is φ = 180164422.

The previous prime is 180164381. The next prime is 180164429. The reversal of 180164423 is 324461081.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 180164423 - 2¹² = 180160327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (180164429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90082211 + 90082212.

It is an arithmetic number, because the mean of its divisors is an integer number (90082212).

Almost surely, 2^180164423 is an apocalyptic number.

180164423 is a deficient number, since it is larger than the sum of its proper divisors (1).

180164423 is an equidigital number, since it uses as much as digits as its factorization.

180164423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 180164423 is about 13422.5341497051. The cubic root of 180164423 is about 564.7934849711.

The spelling of 180164423 in words is "one hundred eighty million, one hundred sixty-four thousand, four hundred twenty-three".