1323015536 has 10 divisors (see below), whose sum is σ = 2563342632. Its totient is φ = 661507760.

The previous prime is 1323015503. The next prime is 1323015541. The reversal of 1323015536 is 6355103231.

It is a junction number, because it is equal to n+sod(n) for n = 1323015499 and 1323015508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41344220 + ... + 41344251.

Almost surely, 2^1323015536 is an apocalyptic number.

1323015536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1323015536 is a deficient number, since it is larger than the sum of its proper divisors (1240327096).

1323015536 is an equidigital number, since it uses as much as digits as its factorization.

1323015536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82688479 (or 82688473 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 1323015536 is about 36373.2805229333. The cubic root of 1323015536 is about 1097.7960101158.

Adding to 1323015536 its reverse (6355103231), we get a palindrome (7678118767).

The spelling of 1323015536 in words is "one billion, three hundred twenty-three million, fifteen thousand, five hundred thirty-six".