223523953 has 2 divisors, whose sum is σ = 223523954. Its totient is φ = 223523952.

The previous prime is 223523929. The next prime is 223523957. The reversal of 223523953 is 359325322.

223523953 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., 170641969 + 52881984 = 13063^2 + 7272^2 .

It is a cyclic number.

It is not a de Polignac number, because 223523953 - 2⁵ = 223523921 is a prime.

It is a super-3 number, since 3×223523953³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (223523957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111761976 + 111761977.

It is an arithmetic number, because the mean of its divisors is an integer number (111761977).

Almost surely, 2^223523953 is an apocalyptic number.

It is an amenable number.

223523953 is a deficient number, since it is larger than the sum of its proper divisors (1).

223523953 is an equidigital number, since it uses as much as digits as its factorization.

223523953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 34.

The square root of 223523953 is about 14950.7174744224. The cubic root of 223523953 is about 606.8872633276.

It can be divided in two parts, 223 and 523953, that added together give a square (524176 = 724²).

The spelling of 223523953 in words is "two hundred twenty-three million, five hundred twenty-three thousand, nine hundred fifty-three".