161707323 has 8 divisors (see below), whose sum is σ = 218207808. Its totient is φ = 106505864.

The previous prime is 161707313. The next prime is 161707327. The reversal of 161707323 is 323707161.

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

It is a cyclic number.

It is not a de Polignac number, because 161707323 - 2⁵ = 161707291 is a prime.

It is a super-2 number, since 2×161707323² = 52298516623652658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (161707327) 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, 324465 + ... + 324962.

It is an arithmetic number, because the mean of its divisors is an integer number (27275976).

Almost surely, 2^161707323 is an apocalyptic number.

161707323 is a deficient number, since it is larger than the sum of its proper divisors (56500485).

161707323 is an equidigital number, since it uses as much as digits as its factorization.

161707323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649513.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 161707323 is about 12716.4194252942. The cubic root of 161707323 is about 544.8076901942.

The spelling of 161707323 in words is "one hundred sixty-one million, seven hundred seven thousand, three hundred twenty-three".