123453161 has 16 divisors (see below), whose sum is σ = 137243904. Its totient is φ = 110329344.

The previous prime is 123453151. The next prime is 123453163. The reversal of 123453161 is 161354321.

It is a cyclic number.

It is not a de Polignac number, because 123453161 - 2⁶ = 123453097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123453161.

It is not an unprimeable number, because it can be changed into a prime (123453163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58226 + ... + 60308.

It is an arithmetic number, because the mean of its divisors is an integer number (8577744).

Almost surely, 2^123453161 is an apocalyptic number.

It is an amenable number.

123453161 is a deficient number, since it is larger than the sum of its proper divisors (13790743).

123453161 is a wasteful number, since it uses less digits than its factorization.

123453161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240.

The product of its digits is 2160, while the sum is 26.

The square root of 123453161 is about 11110.9477993554. The cubic root of 123453161 is about 497.9289816094.

The spelling of 123453161 in words is "one hundred twenty-three million, four hundred fifty-three thousand, one hundred sixty-one".