1103312223 has 24 divisors (see below), whose sum is σ = 1817223408. Its totient is φ = 639021312.

The previous prime is 1103312209. The next prime is 1103312233. The reversal of 1103312223 is 3222133011.

1103312223 is a `hidden beast` number, since 110 + 331 + 2 + 223 = 666.

It is not a de Polignac number, because 1103312223 - 2⁸ = 1103311967 is a prime.

It is a super-2 number, since 2×1103312223² = 2434595722842403458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1103312196 and 1103312205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103312233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 275365 + ... + 279342.

It is an arithmetic number, because the mean of its divisors is an integer number (75717642).

Almost surely, 2^1103312223 is an apocalyptic number.

1103312223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1103312223 is a deficient number, since it is larger than the sum of its proper divisors (713911185).

1103312223 is a wasteful number, since it uses less digits than its factorization.

1103312223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554743 (or 554740 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1103312223 is about 33216.1440116098. The cubic root of 1103312223 is about 1033.3151808697.

Adding to 1103312223 its reverse (3222133011), we get a palindrome (4325445234).

The spelling of 1103312223 in words is "one billion, one hundred three million, three hundred twelve thousand, two hundred twenty-three".