1011323223 has 6 divisors (see below), whose sum is σ = 1460800224. Its totient is φ = 674215476.

The previous prime is 1011323213. The next prime is 1011323267. The reversal of 1011323223 is 3223231101.

It is not a de Polignac number, because 1011323223 - 2¹⁰ = 1011322199 is a prime.

It is a super-2 number, since 2×1011323223² = 2045549322758215458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1011323196 and 1011323205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011323213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56184615 + ... + 56184632.

It is an arithmetic number, because the mean of its divisors is an integer number (243466704).

Almost surely, 2^1011323223 is an apocalyptic number.

1011323223 is a deficient number, since it is larger than the sum of its proper divisors (449477001).

1011323223 is a wasteful number, since it uses less digits than its factorization.

1011323223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112369253 (or 112369250 counting only the distinct ones).

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

The square root of 1011323223 is about 31801.3085108145. The cubic root of 1011323223 is about 1003.7602504605.

Adding to 1011323223 its reverse (3223231101), we get a palindrome (4234554324).

The spelling of 1011323223 in words is "one billion, eleven million, three hundred twenty-three thousand, two hundred twenty-three".