1023323123 has 4 divisors (see below), whose sum is σ = 1023551760. Its totient is φ = 1023094488.

The previous prime is 1023323111. The next prime is 1023323167. The reversal of 1023323123 is 3213233201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3213233201 = 17377 ⋅184913.

It is a cyclic number.

It is not a de Polignac number, because 1023323123 - 2¹⁸ = 1023060979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1023323095 and 1023323104.

It is not an unprimeable number, because it can be changed into a prime (1023323173) 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, 107468 + ... + 116601.

It is an arithmetic number, because the mean of its divisors is an integer number (255887940).

Almost surely, 2^1023323123 is an apocalyptic number.

1023323123 is a deficient number, since it is larger than the sum of its proper divisors (228637).

1023323123 is an equidigital number, since it uses as much as digits as its factorization.

1023323123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228636.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1023323123 is about 31989.4220485460. The cubic root of 1023323123 is about 1007.7147046149.

Adding to 1023323123 its reverse (3213233201), we get a palindrome (4236556324).

The spelling of 1023323123 in words is "one billion, twenty-three million, three hundred twenty-three thousand, one hundred twenty-three".