51372423 has 12 divisors (see below), whose sum is σ = 75605400. Its totient is φ = 33601776.

The previous prime is 51372403. The next prime is 51372469. The reversal of 51372423 is 32427315.

It is not a de Polignac number, because 51372423 - 2⁶ = 51372359 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51372403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53373 + ... + 54326.

It is an arithmetic number, because the mean of its divisors is an integer number (6300450).

Almost surely, 2^51372423 is an apocalyptic number.

51372423 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

51372423 is a deficient number, since it is larger than the sum of its proper divisors (24232977).

51372423 is a wasteful number, since it uses less digits than its factorization.

51372423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107758 (or 107755 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 51372423 is about 7167.4558247679. The cubic root of 51372423 is about 371.7434712497.

Adding to 51372423 its reverse (32427315), we get a palindrome (83799738).

The spelling of 51372423 in words is "fifty-one million, three hundred seventy-two thousand, four hundred twenty-three".