1011312323 has 12 divisors (see below), whose sum is σ = 1227574800. Its totient is φ = 829149552.

The previous prime is 1011312311. The next prime is 1011312343. The reversal of 1011312323 is 3232131101.

It is not a de Polignac number, because 1011312323 - 2⁸ = 1011312067 is a prime.

It is a super-2 number, since 2×1011312323² = 2045505229303312658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011312343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 447548 + ... + 449801.

It is an arithmetic number, because the mean of its divisors is an integer number (102297900).

Almost surely, 2^1011312323 is an apocalyptic number.

1011312323 is a deficient number, since it is larger than the sum of its proper divisors (216262477).

1011312323 is an equidigital number, since it uses as much as digits as its factorization.

1011312323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897386 (or 897379 counting only the distinct ones).

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

The square root of 1011312323 is about 31801.1371337567. The cubic root of 1011312323 is about 1003.7566442853.

Adding to 1011312323 its reverse (3232131101), we get a palindrome (4243443424).

The spelling of 1011312323 in words is "one billion, eleven million, three hundred twelve thousand, three hundred twenty-three".