51350123 has 8 divisors (see below), whose sum is σ = 56071920. Its totient is φ = 46637280.

The previous prime is 51350113. The next prime is 51350153. The reversal of 51350123 is 32105315.

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 51350123 - 2⁴ = 51350107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51350095 and 51350104.

It is not an unprimeable number, because it can be changed into a prime (51350113) 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, 16961 + ... + 19757.

It is an arithmetic number, because the mean of its divisors is an integer number (7008990).

Almost surely, 2^51350123 is an apocalyptic number.

51350123 is a deficient number, since it is larger than the sum of its proper divisors (4721797).

51350123 is a wasteful number, since it uses less digits than its factorization.

51350123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4477.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 51350123 is about 7165.9000132572. The cubic root of 51350123 is about 371.6896740390.

Adding to 51350123 its reverse (32105315), we get a palindrome (83455438).

The spelling of 51350123 in words is "fifty-one million, three hundred fifty thousand, one hundred twenty-three".