123161360 has 40 divisors (see below), whose sum is σ = 327258816. Its totient is φ = 42226560.

The previous prime is 123161359. The next prime is 123161369. The reversal of 123161360 is 63161321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (123161369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109406 + ... + 110525.

Almost surely, 2^123161360 is an apocalyptic number.

123161360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123161360 is an abundant number, since it is smaller than the sum of its proper divisors (204097456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123161360 is a wasteful number, since it uses less digits than its factorization.

123161360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219951 (or 219945 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 123161360 is about 11097.8087927302. The cubic root of 123161360 is about 497.5363609023.

The spelling of 123161360 in words is "one hundred twenty-three million, one hundred sixty-one thousand, three hundred sixty".