123161707 has 4 divisors (see below), whose sum is σ = 123472336. Its totient is φ = 122851080.

The previous prime is 123161699. The next prime is 123161713. The reversal of 123161707 is 707161321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123161707 - 2³ = 123161699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123161737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154719 + ... + 155512.

It is an arithmetic number, because the mean of its divisors is an integer number (30868084).

Almost surely, 2^123161707 is an apocalyptic number.

123161707 is a deficient number, since it is larger than the sum of its proper divisors (310629).

123161707 is an equidigital number, since it uses as much as digits as its factorization.

123161707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310628.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 123161707 is about 11097.8244264360. The cubic root of 123161707 is about 497.5368281618.

The spelling of 123161707 in words is "one hundred twenty-three million, one hundred sixty-one thousand, seven hundred seven".