123031332120 has 64 divisors (see below), whose sum is σ = 369118401120. Its totient is φ = 32806185984.

The previous prime is 123031332103. The next prime is 123031332131. The reversal of 123031332120 is 21233130321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2710734 + ... + 2755746.

Almost surely, 2^123031332120 is an apocalyptic number.

123031332120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123031332120 is an abundant number, since it is smaller than the sum of its proper divisors (246087069000).

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

123031332120 is a wasteful number, since it uses less digits than its factorization.

123031332120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67804 (or 67800 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 123031332120 its reverse (21233130321), we get a palindrome (144264462441).

The spelling of 123031332120 in words is "one hundred twenty-three billion, thirty-one million, three hundred thirty-two thousand, one hundred twenty".