161125323 has 8 divisors (see below), whose sum is σ = 215153808. Its totient is φ = 107256864.

The previous prime is 161125313. The next prime is 161125331. The reversal of 161125323 is 323521161.

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

It is not a de Polignac number, because 161125323 - 2⁵ = 161125291 is a prime.

It is a super-2 number, since 2×161125323² = 51922739423708658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 161125293 and 161125302.

It is not an unprimeable number, because it can be changed into a prime (161125313) 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, 37636 + ... + 41697.

It is an arithmetic number, because the mean of its divisors is an integer number (26894226).

Almost surely, 2^161125323 is an apocalyptic number.

161125323 is a deficient number, since it is larger than the sum of its proper divisors (54028485).

161125323 is an equidigital number, since it uses as much as digits as its factorization.

161125323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80013.

The product of its digits is 1080, while the sum is 24.

The square root of 161125323 is about 12693.5149978247. The cubic root of 161125323 is about 544.1532996359.

Adding to 161125323 its reverse (323521161), we get a palindrome (484646484).

The spelling of 161125323 in words is "one hundred sixty-one million, one hundred twenty-five thousand, three hundred twenty-three".