1323022505 has 32 divisors (see below), whose sum is σ = 1903205376. Its totient is φ = 863875584.

The previous prime is 1323022499. The next prime is 1323022531. The reversal of 1323022505 is 5052203231.

It is a cyclic number.

It is not a de Polignac number, because 1323022505 - 2¹⁶ = 1322956969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49997 + ... + 71733.

It is an arithmetic number, because the mean of its divisors is an integer number (59475168).

Almost surely, 2^1323022505 is an apocalyptic number.

It is an amenable number.

1323022505 is a deficient number, since it is larger than the sum of its proper divisors (580182871).

1323022505 is a wasteful number, since it uses less digits than its factorization.

1323022505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21833.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 1323022505 is about 36373.3763211501. The cubic root of 1323022505 is about 1097.7979376636.

Adding to 1323022505 its reverse (5052203231), we get a palindrome (6375225736).

The spelling of 1323022505 in words is "one billion, three hundred twenty-three million, twenty-two thousand, five hundred five".