1002323023 has 32 divisors (see below), whose sum is σ = 1134040320. Its totient is φ = 879932160.

The previous prime is 1002322963. The next prime is 1002323041. The reversal of 1002323023 is 3203232001.

It is not a de Polignac number, because 1002323023 - 2⁹ = 1002322511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1002322988 and 1002323006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002323053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6149140 + ... + 6149302.

It is an arithmetic number, because the mean of its divisors is an integer number (35438760).

Almost surely, 2^1002323023 is an apocalyptic number.

1002323023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1002323023 is a deficient number, since it is larger than the sum of its proper divisors (131717297).

1002323023 is a wasteful number, since it uses less digits than its factorization.

1002323023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 1002323023 is about 31659.4855138235. The cubic root of 1002323023 is about 1000.7737421686.

Adding to 1002323023 its reverse (3203232001), we get a palindrome (4205555024).

The spelling of 1002323023 in words is "one billion, two million, three hundred twenty-three thousand, twenty-three".