223123075047149 has 2 divisors, whose sum is σ = 223123075047150. Its totient is φ = 223123075047148.

The previous prime is 223123075047139. The next prime is 223123075047163. The reversal of 223123075047149 is 941740570321322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144348450540100 + 78774624507049 = 12014510^2 + 8875507^2 .

It is a cyclic number.

It is not a de Polignac number, because 223123075047149 - 2⁴ = 223123075047133 is a prime.

It is a super-3 number, since 3×223123075047149³ (a number of 44 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 223123075047097 and 223123075047106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223123075047139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111561537523574 + 111561537523575.

It is an arithmetic number, because the mean of its divisors is an integer number (111561537523575).

Almost surely, 2^{223123075047149} is an apocalyptic number.

It is an amenable number.

223123075047149 is a deficient number, since it is larger than the sum of its proper divisors (1).

223123075047149 is an equidigital number, since it uses as much as digits as its factorization.

223123075047149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 223123075047149 in words is "two hundred twenty-three trillion, one hundred twenty-three billion, seventy-five million, forty-seven thousand, one hundred forty-nine".