51168423 has 8 divisors (see below), whose sum is σ = 68311936. Its totient is φ = 34068600.

The previous prime is 51168413. The next prime is 51168433. The reversal of 51168423 is 32486115.

It is an interprime number because it is at equal distance from previous prime (51168413) and next prime (51168433).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51168423 - 2⁴ = 51168407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51168413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8083 + ... + 12948.

It is an arithmetic number, because the mean of its divisors is an integer number (8538992).

Almost surely, 2^51168423 is an apocalyptic number.

51168423 is a deficient number, since it is larger than the sum of its proper divisors (17143513).

51168423 is a wasteful number, since it uses less digits than its factorization.

51168423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21845.

The product of its digits is 5760, while the sum is 30.

The square root of 51168423 is about 7153.2106777307. The cubic root of 51168423 is about 371.2507537764.

The spelling of 51168423 in words is "fifty-one million, one hundred sixty-eight thousand, four hundred twenty-three".