56220123 has 8 divisors (see below), whose sum is σ = 74995200. Its totient is φ = 37462568.

The previous prime is 56220103. The next prime is 56220127. The reversal of 56220123 is 32102265.

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 56220123 - 2¹⁴ = 56203739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56220123.

It is not an unprimeable number, because it can be changed into a prime (56220127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8638 + ... + 13676.

It is an arithmetic number, because the mean of its divisors is an integer number (9374400).

Almost surely, 2^56220123 is an apocalyptic number.

56220123 is a deficient number, since it is larger than the sum of its proper divisors (18775077).

56220123 is a wasteful number, since it uses less digits than its factorization.

56220123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8761.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 56220123 is about 7498.0079354453. The cubic root of 56220123 is about 383.0868670660.

Adding to 56220123 its reverse (32102265), we get a palindrome (88322388).

The spelling of 56220123 in words is "fifty-six million, two hundred twenty thousand, one hundred twenty-three".