223433040021431 has 2 divisors, whose sum is σ = 223433040021432. Its totient is φ = 223433040021430.

The previous prime is 223433040021379. The next prime is 223433040021449. The reversal of 223433040021431 is 134120040334322.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223433040021431 is a prime.

It is a super-3 number, since 3×223433040021431³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223430040021431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111716520010715 + 111716520010716.

It is an arithmetic number, because the mean of its divisors is an integer number (111716520010716).

Almost surely, 2^{223433040021431} is an apocalyptic number.

223433040021431 is a deficient number, since it is larger than the sum of its proper divisors (1).

223433040021431 is an equidigital number, since it uses as much as digits as its factorization.

223433040021431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 223433040021431 its reverse (134120040334322), we get a palindrome (357553080355753).

The spelling of 223433040021431 in words is "two hundred twenty-three trillion, four hundred thirty-three billion, forty million, twenty-one thousand, four hundred thirty-one".