51168023 has 2 divisors, whose sum is σ = 51168024. Its totient is φ = 51168022.

The previous prime is 51168017. The next prime is 51168049. The reversal of 51168023 is 32086115.

It is an a-pointer prime, because the next prime (51168049) can be obtained adding 51168023 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51168023 - 2¹² = 51163927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51167983 and 51168001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51188023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25584011 + 25584012.

It is an arithmetic number, because the mean of its divisors is an integer number (25584012).

Almost surely, 2^51168023 is an apocalyptic number.

51168023 is a deficient number, since it is larger than the sum of its proper divisors (1).

51168023 is an equidigital number, since it uses as much as digits as its factorization.

51168023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 51168023 is about 7153.1827182031. The cubic root of 51168023 is about 371.2497863784.

The spelling of 51168023 in words is "fifty-one million, one hundred sixty-eight thousand, twenty-three".