56105423 has 16 divisors (see below), whose sum is σ = 68221440. Its totient is φ = 45475200.

The previous prime is 56105417. The next prime is 56105437. The reversal of 56105423 is 32450165.

It is a cyclic number.

It is not a de Polignac number, because 56105423 - 2⁸ = 56105167 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56105392 and 56105401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56105453) 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, 4343 + ... + 11448.

It is an arithmetic number, because the mean of its divisors is an integer number (4263840).

Almost surely, 2^56105423 is an apocalyptic number.

56105423 is a deficient number, since it is larger than the sum of its proper divisors (12116017).

56105423 is a wasteful number, since it uses less digits than its factorization.

56105423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15838.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 56105423 is about 7490.3553320253. The cubic root of 56105423 is about 382.8261657529.

Adding to 56105423 its reverse (32450165), we get a palindrome (88555588).

The spelling of 56105423 in words is "fifty-six million, one hundred five thousand, four hundred twenty-three".