123011112232 has 16 divisors (see below), whose sum is σ = 230877190260. Its totient is φ = 61443861504.

The previous prime is 123011112199. The next prime is 123011112293. The reversal of 123011112232 is 232211110321.

It can be written as a sum of positive squares in 2 ways, for example, as 94380441796 + 28630670436 = 307214^2 + 169206^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7703353 + ... + 7719304.

Almost surely, 2^123011112232 is an apocalyptic number.

It is an amenable number.

123011112232 is a deficient number, since it is larger than the sum of its proper divisors (107866078028).

123011112232 is a wasteful number, since it uses less digits than its factorization.

123011112232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15423660 (or 15423656 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 123011112232 its reverse (232211110321), we get a palindrome (355222222553).

The spelling of 123011112232 in words is "one hundred twenty-three billion, eleven million, one hundred twelve thousand, two hundred thirty-two".