56171423 has 16 divisors (see below), whose sum is σ = 71185920. Its totient is φ = 43048800.

The previous prime is 56171413. The next prime is 56171431. The reversal of 56171423 is 32417165.

It is a cyclic number.

It is not a de Polignac number, because 56171423 - 2¹² = 56167327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56171413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1283 + ... + 10676.

It is an arithmetic number, because the mean of its divisors is an integer number (4449120).

Almost surely, 2^56171423 is an apocalyptic number.

56171423 is a deficient number, since it is larger than the sum of its proper divisors (15014497).

56171423 is a wasteful number, since it uses less digits than its factorization.

56171423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12038.

The product of its digits is 5040, while the sum is 29.

The square root of 56171423 is about 7494.7597026189. The cubic root of 56171423 is about 382.9762203262.

Adding to 56171423 its reverse (32417165), we get a palindrome (88588588).

The spelling of 56171423 in words is "fifty-six million, one hundred seventy-one thousand, four hundred twenty-three".