1002123323 has 4 divisors (see below), whose sum is σ = 1016237808. Its totient is φ = 988008840.

The previous prime is 1002123277. The next prime is 1002123349. The reversal of 1002123323 is 3233212001.

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 1002123323 - 2²⁶ = 935014459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002123223) 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, 7057136 + ... + 7057277.

It is an arithmetic number, because the mean of its divisors is an integer number (254059452).

Almost surely, 2^1002123323 is an apocalyptic number.

1002123323 is a deficient number, since it is larger than the sum of its proper divisors (14114485).

1002123323 is an equidigital number, since it uses as much as digits as its factorization.

1002123323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14114484.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1002123323 is about 31656.3314836069. The cubic root of 1002123323 is about 1000.7072739789.

Adding to 1002123323 its reverse (3233212001), we get a palindrome (4235335324).

The spelling of 1002123323 in words is "one billion, two million, one hundred twenty-three thousand, three hundred twenty-three".