56783628023 has 4 divisors (see below), whose sum is σ = 56796617448. Its totient is φ = 56770638600.

The previous prime is 56783627933. The next prime is 56783628029. The reversal of 56783628023 is 32082638765.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56783628023 - 2¹⁴ = 56783611639 is a prime.

It is a super-2 number, since 2×56783628023² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56783628029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6488153 + ... + 6496898.

It is an arithmetic number, because the mean of its divisors is an integer number (14199154362).

Almost surely, 2^56783628023 is an apocalyptic number.

56783628023 is a deficient number, since it is larger than the sum of its proper divisors (12989425).

56783628023 is a wasteful number, since it uses less digits than its factorization.

56783628023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12989424.

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 56783628023 in words is "fifty-six billion, seven hundred eighty-three million, six hundred twenty-eight thousand, twenty-three".