56565402323 has 2 divisors, whose sum is σ = 56565402324. Its totient is φ = 56565402322.

The previous prime is 56565402287. The next prime is 56565402331. The reversal of 56565402323 is 32320456565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56565402323 - 2³² = 52270435027 is a prime.

It is a super-3 number, since 3×56565402323³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (56565402343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28282701161 + 28282701162.

It is an arithmetic number, because the mean of its divisors is an integer number (28282701162).

Almost surely, 2^56565402323 is an apocalyptic number.

56565402323 is a deficient number, since it is larger than the sum of its proper divisors (1).

56565402323 is an equidigital number, since it uses as much as digits as its factorization.

56565402323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648000, while the sum is 41.

Adding to 56565402323 its reverse (32320456565), we get a palindrome (88885858888).

The spelling of 56565402323 in words is "fifty-six billion, five hundred sixty-five million, four hundred two thousand, three hundred twenty-three".