51232223267 has 2 divisors, whose sum is σ = 51232223268. Its totient is φ = 51232223266.

The previous prime is 51232223209. The next prime is 51232223269. The reversal of 51232223267 is 76232223215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51232223267 - 2²⁸ = 50963787811 is a prime.

Together with 51232223269, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51232223269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25616111633 + 25616111634.

It is an arithmetic number, because the mean of its divisors is an integer number (25616111634).

Almost surely, 2^51232223267 is an apocalyptic number.

51232223267 is a deficient number, since it is larger than the sum of its proper divisors (1).

51232223267 is an equidigital number, since it uses as much as digits as its factorization.

51232223267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 35.

The spelling of 51232223267 in words is "fifty-one billion, two hundred thirty-two million, two hundred twenty-three thousand, two hundred sixty-seven".