12323335601421 has 24 divisors (see below), whose sum is σ = 19215166805016. Its totient is φ = 7565577828480.

The previous prime is 12323335601413. The next prime is 12323335601429. The reversal of 12323335601421 is 12410653332321.

12323335601421 is a `hidden beast` number, since 1 + 2 + 3 + 2 + 3 + 3 + 3 + 5 + 601 + 42 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (12323335601413) and next prime (12323335601429).

It can be written as a sum of positive squares in 4 ways, for example, as 297664083396 + 12025671518025 = 545586^2 + 3467805^2 .

It is not a de Polignac number, because 12323335601421 - 2³ = 12323335601413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12323335601429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125042970 + ... + 125141483.

It is an arithmetic number, because the mean of its divisors is an integer number (800631950209).

Almost surely, 2^{12323335601421} is an apocalyptic number.

It is an amenable number.

12323335601421 is a deficient number, since it is larger than the sum of its proper divisors (6891831203595).

12323335601421 is a wasteful number, since it uses less digits than its factorization.

12323335601421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250184893 (or 250184890 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

Adding to 12323335601421 its reverse (12410653332321), we get a palindrome (24733988933742).

The spelling of 12323335601421 in words is "twelve trillion, three hundred twenty-three billion, three hundred thirty-five million, six hundred one thousand, four hundred twenty-one".