223731376541 has 2 divisors, whose sum is σ = 223731376542. Its totient is φ = 223731376540.

The previous prime is 223731376529. The next prime is 223731376591. The reversal of 223731376541 is 145673137322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199046253316 + 24685123225 = 446146^2 + 157115^2 .

It is a cyclic number.

It is not a de Polignac number, because 223731376541 - 2²⁶ = 223664267677 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223731376492 and 223731376501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223731376501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111865688270 + 111865688271.

It is an arithmetic number, because the mean of its divisors is an integer number (111865688271).

Almost surely, 2^223731376541 is an apocalyptic number.

It is an amenable number.

223731376541 is a deficient number, since it is larger than the sum of its proper divisors (1).

223731376541 is an equidigital number, since it uses as much as digits as its factorization.

223731376541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 44.

The spelling of 223731376541 in words is "two hundred twenty-three billion, seven hundred thirty-one million, three hundred seventy-six thousand, five hundred forty-one".