1323001042215 has 64 divisors (see below), whose sum is σ = 2171714568192. Its totient is φ = 687438057600.

The previous prime is 1323001042183. The next prime is 1323001042289. The reversal of 1323001042215 is 5122401003231.

It is not a de Polignac number, because 1323001042215 - 2⁵ = 1323001042183 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 292502944 + ... + 292507466.

It is an arithmetic number, because the mean of its divisors is an integer number (33933040128).

Almost surely, 2^{1323001042215} is an apocalyptic number.

1323001042215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1323001042215 is a deficient number, since it is larger than the sum of its proper divisors (848713525977).

1323001042215 is a wasteful number, since it uses less digits than its factorization.

1323001042215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6380.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 1323001042215 its reverse (5122401003231), we get a palindrome (6445402045446).

The spelling of 1323001042215 in words is "one trillion, three hundred twenty-three billion, one million, forty-two thousand, two hundred fifteen".