123031696 has 20 divisors (see below), whose sum is σ = 240834412. Its totient is φ = 60880896.

The previous prime is 123031691. The next prime is 123031721. The reversal of 123031696 is 696130321.

It can be written as a sum of positive squares in 2 ways, for example, as 37210000 + 85821696 = 6100^2 + 9264^2 .

It is not an unprimeable number, because it can be changed into a prime (123031691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38085 + ... + 41188.

Almost surely, 2^123031696 is an apocalyptic number.

123031696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

123031696 is a deficient number, since it is larger than the sum of its proper divisors (117802716).

123031696 is an equidigital number, since it uses as much as digits as its factorization.

123031696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79378 (or 79372 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 123031696 is about 11091.9653804004. The cubic root of 123031696 is about 497.3616978762.

The spelling of 123031696 in words is "one hundred twenty-three million, thirty-one thousand, six hundred ninety-six".