123161203 has 8 divisors (see below), whose sum is σ = 134627760. Its totient is φ = 111739680.

The previous prime is 123161189. The next prime is 123161239. The reversal of 123161203 is 302161321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123161203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123161273) 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, 5400 + ... + 16597.

It is an arithmetic number, because the mean of its divisors is an integer number (16828470).

Almost surely, 2^123161203 is an apocalyptic number.

123161203 is a deficient number, since it is larger than the sum of its proper divisors (11466557).

123161203 is a wasteful number, since it uses less digits than its factorization.

123161203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22517.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 123161203 is about 11097.8017192595. The cubic root of 123161203 is about 497.5361494906.

The spelling of 123161203 in words is "one hundred twenty-three million, one hundred sixty-one thousand, two hundred three".