51168227623 has 2 divisors, whose sum is σ = 51168227624. Its totient is φ = 51168227622.

The previous prime is 51168227603. The next prime is 51168227633. The reversal of 51168227623 is 32672286115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51168227623 - 2⁹ = 51168227111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51168227623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51168227603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25584113811 + 25584113812.

It is an arithmetic number, because the mean of its divisors is an integer number (25584113812).

Almost surely, 2^51168227623 is an apocalyptic number.

51168227623 is a deficient number, since it is larger than the sum of its proper divisors (1).

51168227623 is an equidigital number, since it uses as much as digits as its factorization.

51168227623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 43.

The spelling of 51168227623 in words is "fifty-one billion, one hundred sixty-eight million, two hundred twenty-seven thousand, six hundred twenty-three".