1020502323 has 12 divisors (see below), whose sum is σ = 1475459440. Its totient is φ = 679688496.

The previous prime is 1020502319. The next prime is 1020502337. The reversal of 1020502323 is 3232050201.

It is not a de Polignac number, because 1020502323 - 2² = 1020502319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020502296 and 1020502305.

It is not an unprimeable number, because it can be changed into a prime (1020502313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43768 + ... + 62901.

Almost surely, 2^1020502323 is an apocalyptic number.

1020502323 is a deficient number, since it is larger than the sum of its proper divisors (454957117).

1020502323 is a wasteful number, since it uses less digits than its factorization.

1020502323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107738 (or 107735 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 1020502323 is about 31945.3020489711. The cubic root of 1020502323 is about 1006.7879274541.

Adding to 1020502323 its reverse (3232050201), we get a palindrome (4252552524).

The spelling of 1020502323 in words is "one billion, twenty million, five hundred two thousand, three hundred twenty-three".