1013111323 has 4 divisors (see below), whose sum is σ = 1157841520. Its totient is φ = 868381128.

The previous prime is 1013111321. The next prime is 1013111327. The reversal of 1013111323 is 3231113101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3231113101 = 331 ⋅9761671.

It is a cyclic number.

It is not a de Polignac number, because 1013111323 - 2¹ = 1013111321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013111297 and 1013111306.

It is not an unprimeable number, because it can be changed into a prime (1013111321) 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, 72365088 + ... + 72365101.

It is an arithmetic number, because the mean of its divisors is an integer number (289460380).

Almost surely, 2^1013111323 is an apocalyptic number.

1013111323 is a deficient number, since it is larger than the sum of its proper divisors (144730197).

1013111323 is an equidigital number, since it uses as much as digits as its factorization.

1013111323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144730196.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1013111323 is about 31829.4097180579. The cubic root of 1013111323 is about 1004.3514781721.

Adding to 1013111323 its reverse (3231113101), we get a palindrome (4244224424).

The spelling of 1013111323 in words is "one billion, thirteen million, one hundred eleven thousand, three hundred twenty-three".