23212454351331 has 16 divisors (see below), whose sum is σ = 35566780890368. Its totient is φ = 13190976424800.

The previous prime is 23212454351327. The next prime is 23212454351377. The reversal of 23212454351331 is 13315345421232.

It is a happy number.

It is not a de Polignac number, because 23212454351331 - 2² = 23212454351327 is a prime.

It is a super-2 number, since 2×23212454351331² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23212454351331.

It is not an unprimeable number, because it can be changed into a prime (23212454351731) 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 15 ways as a sum of consecutive naturals, for example, 3053462965 + ... + 3053470566.

It is an arithmetic number, because the mean of its divisors is an integer number (2222923805648).

Almost surely, 2^{23212454351331} is an apocalyptic number.

23212454351331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23212454351331 is a deficient number, since it is larger than the sum of its proper divisors (12354326539037).

23212454351331 is a wasteful number, since it uses less digits than its factorization.

23212454351331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6106933722.

The product of its digits is 259200, while the sum is 39.

Adding to 23212454351331 its reverse (13315345421232), we get a palindrome (36527799772563).

The spelling of 23212454351331 in words is "twenty-three trillion, two hundred twelve billion, four hundred fifty-four million, three hundred fifty-one thousand, three hundred thirty-one".