123011030232 has 48 divisors (see below), whose sum is σ = 333588255000. Its totient is φ = 40950337536.

The previous prime is 123011030221. The next prime is 123011030267. The reversal of 123011030232 is 232030110321.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 1055482 + ... + 1166217.

Almost surely, 2^123011030232 is an apocalyptic number.

123011030232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123011030232 is an abundant number, since it is smaller than the sum of its proper divisors (210577224768).

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

123011030232 is a wasteful number, since it uses less digits than its factorization.

123011030232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222480 (or 2222473 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 123011030232 its reverse (232030110321), we get a palindrome (355041140553).

The spelling of 123011030232 in words is "one hundred twenty-three billion, eleven million, thirty thousand, two hundred thirty-two".