1123021332023 has 4 divisors (see below), whose sum is σ = 1126032113448. Its totient is φ = 1120010550600.

The previous prime is 1123021331987. The next prime is 1123021332067. The reversal of 1123021332023 is 3202331203211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1123021332023 - 2⁸ = 1123021331767 is a prime.

It is a super-2 number, since 2×1123021332023² (a number of 25 digits) contains 22 as substring.

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 1123021332023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123021332623) 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, 1505390153 + ... + 1505390898.

It is an arithmetic number, because the mean of its divisors is an integer number (281508028362).

Almost surely, 2^{1123021332023} is an apocalyptic number.

1123021332023 is a deficient number, since it is larger than the sum of its proper divisors (3010781425).

1123021332023 is an equidigital number, since it uses as much as digits as its factorization.

1123021332023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3010781424.

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

Adding to 1123021332023 its reverse (3202331203211), we get a palindrome (4325352535234).

The spelling of 1123021332023 in words is "one trillion, one hundred twenty-three billion, twenty-one million, three hundred thirty-two thousand, twenty-three".