223543057 has 2 divisors, whose sum is σ = 223543058. Its totient is φ = 223543056.

The previous prime is 223543043. The next prime is 223543069. The reversal of 223543057 is 750345322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188128656 + 35414401 = 13716^2 + 5951^2 .

It is a cyclic number.

It is not a de Polignac number, because 223543057 - 2²³ = 215154449 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (223543757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111771528 + 111771529.

It is an arithmetic number, because the mean of its divisors is an integer number (111771529).

Almost surely, 2^223543057 is an apocalyptic number.

It is an amenable number.

223543057 is a deficient number, since it is larger than the sum of its proper divisors (1).

223543057 is an equidigital number, since it uses as much as digits as its factorization.

223543057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 31.

The square root of 223543057 is about 14951.3563598758. The cubic root of 223543057 is about 606.9045525171.

Adding to 223543057 its reverse (750345322), we get a palindrome (973888379).

The spelling of 223543057 in words is "two hundred twenty-three million, five hundred forty-three thousand, fifty-seven".