223213013917 has 2 divisors, whose sum is σ = 223213013918. Its totient is φ = 223213013916.

The previous prime is 223213013869. The next prime is 223213013923. The reversal of 223213013917 is 719310312322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115432780516 + 107780233401 = 339754^2 + 328299^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223213013917 is a prime.

It is a super-3 number, since 3×223213013917³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223213013417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111606506958 + 111606506959.

It is an arithmetic number, because the mean of its divisors is an integer number (111606506959).

Almost surely, 2^223213013917 is an apocalyptic number.

It is an amenable number.

223213013917 is a deficient number, since it is larger than the sum of its proper divisors (1).

223213013917 is an equidigital number, since it uses as much as digits as its factorization.

223213013917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The spelling of 223213013917 in words is "two hundred twenty-three billion, two hundred thirteen million, thirteen thousand, nine hundred seventeen".