11231373023 has 4 divisors (see below), whose sum is σ = 12095324808. Its totient is φ = 10367421240.

The previous prime is 11231372981. The next prime is 11231373029. The reversal of 11231373023 is 32037313211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32037313211 = 5387 ⋅5947153.

It is a cyclic number.

It is not a de Polignac number, because 11231373023 - 2⁶ = 11231372959 is a prime.

It is a super-2 number, since 2×11231373023² (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 = 11231372983 and 11231373001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231373029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431975873 + ... + 431975898.

It is an arithmetic number, because the mean of its divisors is an integer number (3023831202).

Almost surely, 2^11231373023 is an apocalyptic number.

11231373023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11231373023 is a deficient number, since it is larger than the sum of its proper divisors (863951785).

11231373023 is an equidigital number, since it uses as much as digits as its factorization.

11231373023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863951784.

The product of its (nonzero) digits is 2268, while the sum is 26.

Adding to 11231373023 its reverse (32037313211), we get a palindrome (43268686234).

The spelling of 11231373023 in words is "eleven billion, two hundred thirty-one million, three hundred seventy-three thousand, twenty-three".