51673123 has 8 divisors (see below), whose sum is σ = 52542368. Its totient is φ = 50808384.

The previous prime is 51673117. The next prime is 51673129. The reversal of 51673123 is 32137615.

It is an interprime number because it is at equal distance from previous prime (51673117) and next prime (51673129).

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

It is a cyclic number.

It is not a de Polignac number, because 51673123 - 2¹³ = 51664931 is a prime.

It is a super-2 number, since 2×51673123² = 5340223281146258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51673091 and 51673100.

It is not an unprimeable number, because it can be changed into a prime (51673129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28090 + ... + 29872.

It is an arithmetic number, because the mean of its divisors is an integer number (6567796).

Almost surely, 2^51673123 is an apocalyptic number.

51673123 is a deficient number, since it is larger than the sum of its proper divisors (869245).

51673123 is a wasteful number, since it uses less digits than its factorization.

51673123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2253.

The product of its digits is 3780, while the sum is 28.

The square root of 51673123 is about 7188.4019781868. The cubic root of 51673123 is about 372.4673736870.

The spelling of 51673123 in words is "fifty-one million, six hundred seventy-three thousand, one hundred twenty-three".