11231001023 has 48 divisors (see below), whose sum is σ = 13913752320. Its totient is φ = 8932896000.

The previous prime is 11231001007. The next prime is 11231001029. The reversal of 11231001023 is 32010013211.

It is not a de Polignac number, because 11231001023 - 2⁴ = 11231001007 is a prime.

It is a super-2 number, since 2×11231001023² (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 = 11231000989 and 11231001007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231001029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53227388 + ... + 53227598.

It is an arithmetic number, because the mean of its divisors is an integer number (289869840).

Almost surely, 2^11231001023 is an apocalyptic number.

11231001023 is a deficient number, since it is larger than the sum of its proper divisors (2682751297).

11231001023 is a wasteful number, since it uses less digits than its factorization.

11231001023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11231001023 its reverse (32010013211), we get a palindrome (43241014234).

The spelling of 11231001023 in words is "eleven billion, two hundred thirty-one million, one thousand, twenty-three".