223242121132351 has 2 divisors, whose sum is σ = 223242121132352. Its totient is φ = 223242121132350.

The previous prime is 223242121132297. The next prime is 223242121132369. The reversal of 223242121132351 is 153231121242322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223242121132351 - 2²⁷ = 223241986914623 is a prime.

It is a super-3 number, since 3×223242121132351³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223242121142351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111621060566175 + 111621060566176.

It is an arithmetic number, because the mean of its divisors is an integer number (111621060566176).

Almost surely, 2^{223242121132351} is an apocalyptic number.

223242121132351 is a deficient number, since it is larger than the sum of its proper divisors (1).

223242121132351 is an equidigital number, since it uses as much as digits as its factorization.

223242121132351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 34.

Adding to 223242121132351 its reverse (153231121242322), we get a palindrome (376473242374673).

The spelling of 223242121132351 in words is "two hundred twenty-three trillion, two hundred forty-two billion, one hundred twenty-one million, one hundred thirty-two thousand, three hundred fifty-one".