123201123232 has 48 divisors (see below), whose sum is σ = 280167273792. Its totient is φ = 52706360320.

The previous prime is 123201123223. The next prime is 123201123257. The reversal of 123201123232 is 232321102321.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10288228 + ... + 10300195.

It is an arithmetic number, because the mean of its divisors is an integer number (5836818204).

Almost surely, 2^123201123232 is an apocalyptic number.

It is an amenable number.

123201123232 is an abundant number, since it is smaller than the sum of its proper divisors (156966150560).

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

123201123232 is a wasteful number, since it uses less digits than its factorization.

123201123232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20588461 (or 20588453 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 123201123232 its reverse (232321102321), we get a palindrome (355522225553).

The spelling of 123201123232 in words is "one hundred twenty-three billion, two hundred one million, one hundred twenty-three thousand, two hundred thirty-two".