11323123031 has 8 divisors (see below), whose sum is σ = 12889563264. Its totient is φ = 9846193720.

The previous prime is 11323122991. The next prime is 11323123039. The reversal of 11323123031 is 13032132311.

11323123031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11323123031 - 2²⁶ = 11256014167 is a prime.

It is a super-2 number, since 2×11323123031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11323122994 and 11323123012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11323123039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22377461 + ... + 22377966.

It is an arithmetic number, because the mean of its divisors is an integer number (1611195408).

Almost surely, 2^11323123031 is an apocalyptic number.

11323123031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11323123031 is a deficient number, since it is larger than the sum of its proper divisors (1566440233).

11323123031 is a wasteful number, since it uses less digits than its factorization.

11323123031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44755461.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 11323123031 its reverse (13032132311), we get a palindrome (24355255342).

The spelling of 11323123031 in words is "eleven billion, three hundred twenty-three million, one hundred twenty-three thousand, thirty-one".