223402541 has 2 divisors, whose sum is σ = 223402542. Its totient is φ = 223402540.

The previous prime is 223402511. The next prime is 223402547. The reversal of 223402541 is 145204322.

It is a happy number.

223402541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208802500 + 14600041 = 14450^2 + 3821^2 .

It is a cyclic number.

It is not a de Polignac number, because 223402541 - 2⁶ = 223402477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223402547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111701270 + 111701271.

It is an arithmetic number, because the mean of its divisors is an integer number (111701271).

Almost surely, 2^223402541 is an apocalyptic number.

It is an amenable number.

223402541 is a deficient number, since it is larger than the sum of its proper divisors (1).

223402541 is an equidigital number, since it uses as much as digits as its factorization.

223402541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 223402541 is about 14946.6565157563. The cubic root of 223402541 is about 606.7773619943. Note that the first 3 decimals are identical.

Adding to 223402541 its reverse (145204322), we get a palindrome (368606863).

The spelling of 223402541 in words is "two hundred twenty-three million, four hundred two thousand, five hundred forty-one".