74232223231 has 2 divisors, whose sum is σ = 74232223232. Its totient is φ = 74232223230.

The previous prime is 74232223193. The next prime is 74232223237. The reversal of 74232223231 is 13232223247.

It is a strong prime.

It is an emirp because it is prime and its reverse (13232223247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74232223231 - 2¹⁹ = 74231698943 is a prime.

It is a super-2 number, since 2×74232223231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74232223193 and 74232223202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74232223237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37116111615 + 37116111616.

It is an arithmetic number, because the mean of its divisors is an integer number (37116111616).

Almost surely, 2^74232223231 is an apocalyptic number.

74232223231 is a deficient number, since it is larger than the sum of its proper divisors (1).

74232223231 is an equidigital number, since it uses as much as digits as its factorization.

74232223231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 31.

Adding to 74232223231 its reverse (13232223247), we get a palindrome (87464446478).

The spelling of 74232223231 in words is "seventy-four billion, two hundred thirty-two million, two hundred twenty-three thousand, two hundred thirty-one".