210123113232 has 20 divisors (see below), whose sum is σ = 542818042640. Its totient is φ = 70041037728.

The previous prime is 210123113219. The next prime is 210123113251. The reversal of 210123113232 is 232311321012.

It is a junction number, because it is equal to n+sod(n) for n = 210123113199 and 210123113208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2188782382 + ... + 2188782477.

It is an arithmetic number, because the mean of its divisors is an integer number (27140902132).

Almost surely, 2^210123113232 is an apocalyptic number.

It is an amenable number.

210123113232 is an abundant number, since it is smaller than the sum of its proper divisors (332694929408).

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

210123113232 is a wasteful number, since it uses less digits than its factorization.

210123113232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4377564870 (or 4377564864 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 210123113232 its reverse (232311321012), we get a palindrome (442434434244).

The spelling of 210123113232 in words is "two hundred ten billion, one hundred twenty-three million, one hundred thirteen thousand, two hundred thirty-two".