1123020322313 has 4 divisors (see below), whose sum is σ = 1124242325760. Its totient is φ = 1121798318868.

The previous prime is 1123020322267. The next prime is 1123020322321. The reversal of 1123020322313 is 3132230203211.

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.

It is a cyclic number.

It is not a de Polignac number, because 1123020322313 - 2²⁰ = 1123019273737 is a prime.

It is a super-2 number, since 2×1123020322313² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123020322373) 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, 611000345 + ... + 611002182.

It is an arithmetic number, because the mean of its divisors is an integer number (281060581440).

Almost surely, 2^{1123020322313} is an apocalyptic number.

It is an amenable number.

1123020322313 is a deficient number, since it is larger than the sum of its proper divisors (1222003447).

1123020322313 is an equidigital number, since it uses as much as digits as its factorization.

1123020322313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222003446.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1123020322313 its reverse (3132230203211), we get a palindrome (4255250525524).

The spelling of 1123020322313 in words is "one trillion, one hundred twenty-three billion, twenty million, three hundred twenty-two thousand, three hundred thirteen".