161422343 has 2 divisors, whose sum is σ = 161422344. Its totient is φ = 161422342.

The previous prime is 161422337. The next prime is 161422369. The reversal of 161422343 is 343224161.

161422343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (161422369) can be obtained adding 161422343 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 161422343 - 2¹⁰ = 161421319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161422333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80711171 + 80711172.

It is an arithmetic number, because the mean of its divisors is an integer number (80711172).

Almost surely, 2^161422343 is an apocalyptic number.

161422343 is a deficient number, since it is larger than the sum of its proper divisors (1).

161422343 is an equidigital number, since it uses as much as digits as its factorization.

161422343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 26.

The square root of 161422343 is about 12705.2092859583. The cubic root of 161422343 is about 544.4874602306.

The spelling of 161422343 in words is "one hundred sixty-one million, four hundred twenty-two thousand, three hundred forty-three".