161140143514123 has 8 divisors (see below), whose sum is σ = 170626486524192. Its totient is φ = 151654635063936.

The previous prime is 161140143514093. The next prime is 161140143514199. The reversal of 161140143514123 is 321415341041161.

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 161140143514123 - 2²¹ = 161140141416971 is a prime.

It is a super-2 number, since 2×161140143514123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161140143514423) 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, 208242415 + ... + 209014792.

It is an arithmetic number, because the mean of its divisors is an integer number (21328310815524).

Almost surely, 2^{161140143514123} is an apocalyptic number.

161140143514123 is a deficient number, since it is larger than the sum of its proper divisors (9486343010069).

161140143514123 is a wasteful number, since it uses less digits than its factorization.

161140143514123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417279941.

The product of its (nonzero) digits is 34560, while the sum is 37.

Adding to 161140143514123 its reverse (321415341041161), we get a palindrome (482555484555284).

The spelling of 161140143514123 in words is "one hundred sixty-one trillion, one hundred forty billion, one hundred forty-three million, five hundred fourteen thousand, one hundred twenty-three".