123303121232 has 20 divisors (see below), whose sum is σ = 241013958420. Its totient is φ = 61105970688.

The previous prime is 123303121213. The next prime is 123303121247. The reversal of 123303121232 is 232121303321.

It can be written as a sum of positive squares in 2 ways, for example, as 5115682576 + 118187438656 = 71524^2 + 343784^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123303121198 and 123303121207.

It is a congruent number.

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, 34097507 + ... + 34101122.

It is an arithmetic number, because the mean of its divisors is an integer number (12050697921).

Almost surely, 2^123303121232 is an apocalyptic number.

It is an amenable number.

123303121232 is a deficient number, since it is larger than the sum of its proper divisors (117710837188).

123303121232 is a wasteful number, since it uses less digits than its factorization.

123303121232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68198750 (or 68198744 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 123303121232 its reverse (232121303321), we get a palindrome (355424424553).

The spelling of 123303121232 in words is "one hundred twenty-three billion, three hundred three million, one hundred twenty-one thousand, two hundred thirty-two".