161107423 has 8 divisors (see below), whose sum is σ = 164938896. Its totient is φ = 157320000.

The previous prime is 161107417. The next prime is 161107447. The reversal of 161107423 is 324701161.

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 161107423 - 2⁵ = 161107391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161107223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3553 + ... + 18298.

It is an arithmetic number, because the mean of its divisors is an integer number (20617362).

Almost surely, 2^161107423 is an apocalyptic number.

161107423 is a deficient number, since it is larger than the sum of its proper divisors (3831473).

161107423 is a wasteful number, since it uses less digits than its factorization.

161107423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22025.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 161107423 is about 12692.8098937942. The cubic root of 161107423 is about 544.1331482312.

Adding to 161107423 its reverse (324701161), we get a palindrome (485808584).

It can be divided in two parts, 161 and 107423, that added together give a square (107584 = 328²).

The spelling of 161107423 in words is "one hundred sixty-one million, one hundred seven thousand, four hundred twenty-three".