223420535417 has 2 divisors, whose sum is σ = 223420535418. Its totient is φ = 223420535416.

The previous prime is 223420535399. The next prime is 223420535449. The reversal of 223420535417 is 714535024322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192998547856 + 30421987561 = 439316^2 + 174419^2 .

It is a cyclic number.

It is not a de Polignac number, because 223420535417 - 2¹⁴ = 223420519033 is a prime.

It is not a weakly prime, because it can be changed into another prime (223420532417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111710267708 + 111710267709.

It is an arithmetic number, because the mean of its divisors is an integer number (111710267709).

Almost surely, 2^223420535417 is an apocalyptic number.

It is an amenable number.

223420535417 is a deficient number, since it is larger than the sum of its proper divisors (1).

223420535417 is an equidigital number, since it uses as much as digits as its factorization.

223420535417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 38.

Adding to 223420535417 its reverse (714535024322), we get a palindrome (937955559739).

It can be divided in two parts, 2234205 and 35417, that added together give a palindrome (2269622).

The spelling of 223420535417 in words is "two hundred twenty-three billion, four hundred twenty million, five hundred thirty-five thousand, four hundred seventeen".