51034423 has 4 divisors (see below), whose sum is σ = 55673928. Its totient is φ = 46394920.

The previous prime is 51034409. The next prime is 51034427. The reversal of 51034423 is 32443015.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 51034423 - 2¹⁷ = 50903351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51034394 and 51034403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51034427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2319736 + ... + 2319757.

It is an arithmetic number, because the mean of its divisors is an integer number (13918482).

Almost surely, 2^51034423 is an apocalyptic number.

51034423 is a deficient number, since it is larger than the sum of its proper divisors (4639505).

51034423 is a wasteful number, since it uses less digits than its factorization.

51034423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4639504.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 51034423 is about 7143.8381140673. The cubic root of 51034423 is about 370.9263929841.

Adding to 51034423 its reverse (32443015), we get a palindrome (83477438).

The spelling of 51034423 in words is "fifty-one million, thirty-four thousand, four hundred twenty-three".