51227123 has 2 divisors, whose sum is σ = 51227124. Its totient is φ = 51227122.

The previous prime is 51227119. The next prime is 51227149. The reversal of 51227123 is 32172215.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51227123 - 2² = 51227119 is a prime.

It is not a weakly prime, because it can be changed into another prime (51227023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25613561 + 25613562.

It is an arithmetic number, because the mean of its divisors is an integer number (25613562).

Almost surely, 2^51227123 is an apocalyptic number.

51227123 is a deficient number, since it is larger than the sum of its proper divisors (1).

51227123 is an equidigital number, since it uses as much as digits as its factorization.

51227123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 840, while the sum is 23.

The square root of 51227123 is about 7157.3125543042. The cubic root of 51227123 is about 371.3926648088.

Adding to 51227123 its reverse (32172215), we get a palindrome (83399338).

The spelling of 51227123 in words is "fifty-one million, two hundred twenty-seven thousand, one hundred twenty-three".