23231231202213 has 24 divisors (see below), whose sum is σ = 35061814045440. Its totient is φ = 14794392492000.

The previous prime is 23231231202211. The next prime is 23231231202217. The reversal of 23231231202213 is 31220213213232.

23231231202213 is a `hidden beast` number, since 2 + 3 + 2 + 312 + 3 + 120 + 221 + 3 = 666.

It is not a de Polignac number, because 23231231202213 - 2¹ = 23231231202211 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23231231202211) 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, 74563698 + ... + 74874611.

It is an arithmetic number, because the mean of its divisors is an integer number (1460908918560).

Almost surely, 2^{23231231202213} is an apocalyptic number.

23231231202213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

23231231202213 is a deficient number, since it is larger than the sum of its proper divisors (11830582843227).

23231231202213 is a wasteful number, since it uses less digits than its factorization.

23231231202213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149439089 (or 149439086 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 23231231202213 its reverse (31220213213232), we get a palindrome (54451444415445).

The spelling of 23231231202213 in words is "twenty-three trillion, two hundred thirty-one billion, two hundred thirty-one million, two hundred two thousand, two hundred thirteen".