11312542223 has 4 divisors (see below), whose sum is σ = 11455739040. Its totient is φ = 11169345408.

The previous prime is 11312542217. The next prime is 11312542261. The reversal of 11312542223 is 32224521311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11312542223 - 2¹⁴ = 11312525839 is a prime.

It is a super-2 number, since 2×11312542223² (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 = 11312542192 and 11312542201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312548223) 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, 71598290 + ... + 71598447.

It is an arithmetic number, because the mean of its divisors is an integer number (2863934760).

Almost surely, 2^11312542223 is an apocalyptic number.

11312542223 is a deficient number, since it is larger than the sum of its proper divisors (143196817).

11312542223 is an equidigital number, since it uses as much as digits as its factorization.

11312542223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143196816.

The product of its digits is 2880, while the sum is 26.

The spelling of 11312542223 in words is "eleven billion, three hundred twelve million, five hundred forty-two thousand, two hundred twenty-three".