123011132121303 has 16 divisors (see below), whose sum is σ = 167830890412416. Its totient is φ = 80099437370400.

The previous prime is 123011132121277. The next prime is 123011132121307. The reversal of 123011132121303 is 303121231110321.

It is not a de Polignac number, because 123011132121303 - 2⁵ = 123011132121271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123011132121307) 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, 7580953 + ... + 17421053.

It is an arithmetic number, because the mean of its divisors is an integer number (10489430650776).

Almost surely, 2^{123011132121303} is an apocalyptic number.

123011132121303 is a deficient number, since it is larger than the sum of its proper divisors (44819758291113).

123011132121303 is an equidigital number, since it uses as much as digits as its factorization.

123011132121303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9937054.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 123011132121303 its reverse (303121231110321), we get a palindrome (426132363231624).

The spelling of 123011132121303 in words is "one hundred twenty-three trillion, eleven billion, one hundred thirty-two million, one hundred twenty-one thousand, three hundred three".