1011323233 has 4 divisors (see below), whose sum is σ = 1020774960. Its totient is φ = 1001871508.

The previous prime is 1011323213. The next prime is 1011323267. The reversal of 1011323233 is 3323231101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3323231101 = 23887 ⋅139123.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011323233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1011323233.

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 3 ways as a sum of consecutive naturals, for example, 4725703 + ... + 4725916.

It is an arithmetic number, because the mean of its divisors is an integer number (255193740).

Almost surely, 2^1011323233 is an apocalyptic number.

It is an amenable number.

1011323233 is a deficient number, since it is larger than the sum of its proper divisors (9451727).

1011323233 is an equidigital number, since it uses as much as digits as its factorization.

1011323233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9451726.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1011323233 is about 31801.3086680407. The cubic root of 1011323233 is about 1003.7602537689.

Adding to 1011323233 its reverse (3323231101), we get a palindrome (4334554334).

The spelling of 1011323233 in words is "one billion, eleven million, three hundred twenty-three thousand, two hundred thirty-three".