11321131230123 has 32 divisors (see below), whose sum is σ = 17748230250240. Its totient is φ = 6328346317440.

The previous prime is 11321131230091. The next prime is 11321131230131. The reversal of 11321131230123 is 32103213112311.

It is not a de Polignac number, because 11321131230123 - 2⁵ = 11321131230091 is a prime.

It is a super-2 number, since 2×11321131230123² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11321131230093 and 11321131230102.

It is not an unprimeable number, because it can be changed into a prime (11321131230193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10208961 + ... + 11263442.

It is an arithmetic number, because the mean of its divisors is an integer number (554632195320).

Almost surely, 2^{11321131230123} is an apocalyptic number.

11321131230123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11321131230123 is a deficient number, since it is larger than the sum of its proper divisors (6427099020117).

11321131230123 is a wasteful number, since it uses less digits than its factorization.

11321131230123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21473659.

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

Adding to 11321131230123 its reverse (32103213112311), we get a palindrome (43424344342434).

The spelling of 11321131230123 in words is "eleven trillion, three hundred twenty-one billion, one hundred thirty-one million, two hundred thirty thousand, one hundred twenty-three".