123303153012 has 48 divisors (see below), whose sum is σ = 312734423232. Its totient is φ = 37584852480.

The previous prime is 123303153011. The next prime is 123303153023. The reversal of 123303153012 is 210351303321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123303153011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3676789 + ... + 3710172.

It is an arithmetic number, because the mean of its divisors is an integer number (6515300484).

Almost surely, 2^123303153012 is an apocalyptic number.

123303153012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123303153012 is an abundant number, since it is smaller than the sum of its proper divisors (189431270220).

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

123303153012 is a wasteful number, since it uses less digits than its factorization.

123303153012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7387088 (or 7387086 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

Adding to 123303153012 its reverse (210351303321), we get a palindrome (333654456333).

The spelling of 123303153012 in words is "one hundred twenty-three billion, three hundred three million, one hundred fifty-three thousand, twelve".