56213423 has 8 divisors (see below), whose sum is σ = 64346400. Its totient is φ = 48106080.

The previous prime is 56213411. The next prime is 56213467. The reversal of 56213423 is 32431265.

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

It is a cyclic number.

It is not a de Polignac number, because 56213423 - 2¹⁴ = 56197039 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 56213392 and 56213401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56213473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1448 + ... + 10701.

It is an arithmetic number, because the mean of its divisors is an integer number (8043300).

Almost surely, 2^56213423 is an apocalyptic number.

56213423 is a deficient number, since it is larger than the sum of its proper divisors (8132977).

56213423 is a wasteful number, since it uses less digits than its factorization.

56213423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12817.

The product of its digits is 4320, while the sum is 26.

The square root of 56213423 is about 7497.5611367964. The cubic root of 56213423 is about 383.0716484109.

Adding to 56213423 its reverse (32431265), we get a palindrome (88644688).

The spelling of 56213423 in words is "fifty-six million, two hundred thirteen thousand, four hundred twenty-three".