161314423 has 2 divisors, whose sum is σ = 161314424. Its totient is φ = 161314422.

The previous prime is 161314381. The next prime is 161314477. The reversal of 161314423 is 324413161.

It is a weak prime.

It is an emirp because it is prime and its reverse (324413161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 161314423 - 2¹³ = 161306231 is a prime.

It is a super-3 number, since 3×161314423³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161344423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80657211 + 80657212.

It is an arithmetic number, because the mean of its divisors is an integer number (80657212).

Almost surely, 2^161314423 is an apocalyptic number.

161314423 is a deficient number, since it is larger than the sum of its proper divisors (1).

161314423 is an equidigital number, since it uses as much as digits as its factorization.

161314423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 25.

The square root of 161314423 is about 12700.9614990362. The cubic root of 161314423 is about 544.3660929207.

Adding to 161314423 its reverse (324413161), we get a palindrome (485727584).

The spelling of 161314423 in words is "one hundred sixty-one million, three hundred fourteen thousand, four hundred twenty-three".