11023031123 has 8 divisors (see below), whose sum is σ = 12147025968. Its totient is φ = 9938474784.

The previous prime is 11023031113. The next prime is 11023031141. The reversal of 11023031123 is 32113032011.

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

It is a cyclic number.

It is not a de Polignac number, because 11023031123 - 2¹⁰ = 11023030099 is a prime.

It is a super-2 number, since 2×11023031123² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11023031113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9859040 + ... + 9860157.

It is an arithmetic number, because the mean of its divisors is an integer number (1518378246).

Almost surely, 2^11023031123 is an apocalyptic number.

11023031123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11023031123 is a deficient number, since it is larger than the sum of its proper divisors (1123994845).

11023031123 is a wasteful number, since it uses less digits than its factorization.

11023031123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19719253.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11023031123 its reverse (32113032011), we get a palindrome (43136063134).

The spelling of 11023031123 in words is "eleven billion, twenty-three million, thirty-one thousand, one hundred twenty-three".