223042357 has 2 divisors, whose sum is σ = 223042358. Its totient is φ = 223042356.

The previous prime is 223042321. The next prime is 223042381. The reversal of 223042357 is 753240322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197093521 + 25948836 = 14039^2 + 5094^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223042357 is a prime.

It is a super-2 number, since 2×223042357² = 99495786032230898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223046357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111521178 + 111521179.

It is an arithmetic number, because the mean of its divisors is an integer number (111521179).

Almost surely, 2^223042357 is an apocalyptic number.

It is an amenable number.

223042357 is a deficient number, since it is larger than the sum of its proper divisors (1).

223042357 is an equidigital number, since it uses as much as digits as its factorization.

223042357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 223042357 is about 14934.6026729873. The cubic root of 223042357 is about 606.4510913739.

Adding to 223042357 its reverse (753240322), we get a palindrome (976282679).

The spelling of 223042357 in words is "two hundred twenty-three million, forty-two thousand, three hundred fifty-seven".