12323420331 has 16 divisors (see below), whose sum is σ = 16593876000. Its totient is φ = 8134638848.

The previous prime is 12323420327. The next prime is 12323420383. The reversal of 12323420331 is 13302432321.

It is a cyclic number.

It is not a de Polignac number, because 12323420331 - 2² = 12323420327 is a prime.

It is a super-2 number, since 2×12323420331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12323420231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98215 + ... + 185183.

It is an arithmetic number, because the mean of its divisors is an integer number (1037117250).

Almost surely, 2^12323420331 is an apocalyptic number.

12323420331 is a deficient number, since it is larger than the sum of its proper divisors (4270455669).

12323420331 is a wasteful number, since it uses less digits than its factorization.

12323420331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87438.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 12323420331 its reverse (13302432321), we get a palindrome (25625852652).

The spelling of 12323420331 in words is "twelve billion, three hundred twenty-three million, four hundred twenty thousand, three hundred thirty-one".