123031158196 has 36 divisors (see below), whose sum is σ = 223064212140. Its totient is φ = 59340244480.

The previous prime is 123031158191. The next prime is 123031158197. The reversal of 123031158196 is 691851130321.

It can be written as a sum of positive squares in 6 ways, for example, as 34982465296 + 88048692900 = 187036^2 + 296730^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123031158191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1251690 + ... + 1346398.

It is an arithmetic number, because the mean of its divisors is an integer number (6196228115).

Almost surely, 2^123031158196 is an apocalyptic number.

It is an amenable number.

123031158196 is a deficient number, since it is larger than the sum of its proper divisors (100033053944).

123031158196 is an equidigital number, since it uses as much as digits as its factorization.

123031158196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94932 (or 94841 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The spelling of 123031158196 in words is "one hundred twenty-three billion, thirty-one million, one hundred fifty-eight thousand, one hundred ninety-six".