51110123 has 2 divisors, whose sum is σ = 51110124. Its totient is φ = 51110122.

The previous prime is 51110099. The next prime is 51110167. The reversal of 51110123 is 32101115.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51110123 is a prime.

It is a super-2 number, since 2×51110123² = 5224489346150258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51110098 and 51110107.

It is not a weakly prime, because it can be changed into another prime (51110023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25555061 + 25555062.

It is an arithmetic number, because the mean of its divisors is an integer number (25555062).

Almost surely, 2^51110123 is an apocalyptic number.

51110123 is a deficient number, since it is larger than the sum of its proper divisors (1).

51110123 is an equidigital number, since it uses as much as digits as its factorization.

51110123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 51110123 is about 7149.1344231312. The cubic root of 51110123 is about 371.1097023033.

Adding to 51110123 its reverse (32101115), we get a palindrome (83211238).

The spelling of 51110123 in words is "fifty-one million, one hundred ten thousand, one hundred twenty-three".