161154323 has 8 divisors (see below), whose sum is σ = 175904256. Its totient is φ = 146421000.

The previous prime is 161154317. The next prime is 161154349. The reversal of 161154323 is 323451161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 161154323 - 2¹⁰ = 161153299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 161154292 and 161154301.

It is not an unprimeable number, because it can be changed into a prime (161154223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25190 + ... + 30932.

It is an arithmetic number, because the mean of its divisors is an integer number (21988032).

Almost surely, 2^161154323 is an apocalyptic number.

161154323 is a deficient number, since it is larger than the sum of its proper divisors (14749933).

161154323 is a wasteful number, since it uses less digits than its factorization.

161154323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8305.

The product of its digits is 2160, while the sum is 26.

The square root of 161154323 is about 12694.6572620138. The cubic root of 161154323 is about 544.1859439957.

The spelling of 161154323 in words is "one hundred sixty-one million, one hundred fifty-four thousand, three hundred twenty-three".