123303231331011 has 64 divisors (see below), whose sum is σ = 187864021094400. Its totient is φ = 79871623976448.

The previous prime is 123303231330949. The next prime is 123303231331037. The reversal of 123303231331011 is 110133132303321.

123303231331011 is a `hidden beast` number, since 1 + 2 + 3 + 3 + 0 + 32 + 313 + 310 + 1 + 1 = 666.

It is not a de Polignac number, because 123303231331011 - 2⁴⁶ = 52934487153347 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (123303231338011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2292834955 + ... + 2292888731.

It is an arithmetic number, because the mean of its divisors is an integer number (2935375329600).

Almost surely, 2^{123303231331011} is an apocalyptic number.

123303231331011 is a deficient number, since it is larger than the sum of its proper divisors (64560789763389).

123303231331011 is a wasteful number, since it uses less digits than its factorization.

123303231331011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56905 (or 56899 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 123303231331011 its reverse (110133132303321), we get a palindrome (233436363634332).

The spelling of 123303231331011 in words is "one hundred twenty-three trillion, three hundred three billion, two hundred thirty-one million, three hundred thirty-one thousand, eleven".