123011211032 has 16 divisors (see below), whose sum is σ = 231382913640. Its totient is φ = 61309100736.

The previous prime is 123011211031. The next prime is 123011211041. The reversal of 123011211032 is 230112110321.

It is a self number, because there is not a number n which added to its sum of digits gives 123011211032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123011211031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24560438 + ... + 24565445.

Almost surely, 2^123011211032 is an apocalyptic number.

It is an amenable number.

123011211032 is a deficient number, since it is larger than the sum of its proper divisors (108371702608).

123011211032 is a wasteful number, since it uses less digits than its factorization.

123011211032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49126202 (or 49126198 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 123011211032 its reverse (230112110321), we get a palindrome (353123321353).

The spelling of 123011211032 in words is "one hundred twenty-three billion, eleven million, two hundred eleven thousand, thirty-two".