123031082 has 4 divisors (see below), whose sum is σ = 184546626. Its totient is φ = 61515540.

The previous prime is 123031081. The next prime is 123031087. The reversal of 123031082 is 280130321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 280130321 = 5953 ⋅47057.

It can be written as a sum of positive squares in only one way, i.e., 108139201 + 14891881 = 10399^2 + 3859^2 .

It is not an unprimeable number, because it can be changed into a prime (123031081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30757769 + ... + 30757772.

Almost surely, 2^123031082 is an apocalyptic number.

123031082 is a deficient number, since it is larger than the sum of its proper divisors (61515544).

123031082 is an equidigital number, since it uses as much as digits as its factorization.

123031082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61515543.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 123031082 is about 11091.9377026740. The cubic root of 123031082 is about 497.3608704997.

The spelling of 123031082 in words is "one hundred twenty-three million, thirty-one thousand, eighty-two".