161413023 has 8 divisors (see below), whose sum is σ = 220466736. Its totient is φ = 104984000.

The previous prime is 161413003. The next prime is 161413039. The reversal of 161413023 is 320314161.

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 161413023 - 2⁶ = 161412959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161413003) 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, 656028 + ... + 656273.

It is an arithmetic number, because the mean of its divisors is an integer number (27558342).

Almost surely, 2^161413023 is an apocalyptic number.

161413023 is a deficient number, since it is larger than the sum of its proper divisors (59053713).

161413023 is a wasteful number, since it uses less digits than its factorization.

161413023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312345.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 161413023 is about 12704.8425019754. The cubic root of 161413023 is about 544.4769810518.

Adding to 161413023 its reverse (320314161), we get a palindrome (481727184).

The spelling of 161413023 in words is "one hundred sixty-one million, four hundred thirteen thousand, twenty-three".