51843023 has 2 divisors, whose sum is σ = 51843024. Its totient is φ = 51843022.

The previous prime is 51843017. The next prime is 51843037. The reversal of 51843023 is 32034815.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51843023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51842983 and 51843001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51843073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25921511 + 25921512.

It is an arithmetic number, because the mean of its divisors is an integer number (25921512).

Almost surely, 2^51843023 is an apocalyptic number.

51843023 is a deficient number, since it is larger than the sum of its proper divisors (1).

51843023 is an equidigital number, since it uses as much as digits as its factorization.

51843023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 51843023 is about 7200.2099274952. The cubic root of 51843023 is about 372.8751483852.

Adding to 51843023 its reverse (32034815), we get a palindrome (83877838).

The spelling of 51843023 in words is "fifty-one million, eight hundred forty-three thousand, twenty-three".