51207023 has 8 divisors (see below), whose sum is σ = 59883648. Its totient is φ = 42870744.

The previous prime is 51206989. The next prime is 51207029. The reversal of 51207023 is 32070215.

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

It is not a de Polignac number, because 51207023 - 2¹² = 51202927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51206986 and 51207004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51207029) 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, 84761 + ... + 85362.

It is an arithmetic number, because the mean of its divisors is an integer number (7485456).

Almost surely, 2^51207023 is an apocalyptic number.

51207023 is a deficient number, since it is larger than the sum of its proper divisors (8676625).

51207023 is a wasteful number, since it uses less digits than its factorization.

51207023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170173.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 51207023 is about 7155.9082582157. The cubic root of 51207023 is about 371.3440839745.

Adding to 51207023 its reverse (32070215), we get a palindrome (83277238).

The spelling of 51207023 in words is "fifty-one million, two hundred seven thousand, twenty-three".