1011321323 has 8 divisors (see below), whose sum is σ = 1016148480. Its totient is φ = 1006502760.

The previous prime is 1011321319. The next prime is 1011321359. The reversal of 1011321323 is 3231231101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1011321323 - 2² = 1011321319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011321023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390848 + ... + 393426.

It is an arithmetic number, because the mean of its divisors is an integer number (127018560).

Almost surely, 2^1011321323 is an apocalyptic number.

1011321323 is a deficient number, since it is larger than the sum of its proper divisors (4827157).

1011321323 is a wasteful number, since it uses less digits than its factorization.

1011321323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4297.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1011321323 is about 31801.2786378158. The cubic root of 1011321323 is about 1003.7596218630.

Adding to 1011321323 its reverse (3231231101), we get a palindrome (4242552424).

The spelling of 1011321323 in words is "one billion, eleven million, three hundred twenty-one thousand, three hundred twenty-three".