223453405213 has 2 divisors, whose sum is σ = 223453405214. Its totient is φ = 223453405212.

The previous prime is 223453405171. The next prime is 223453405249. The reversal of 223453405213 is 312504354322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 223429218489 + 24186724 = 472683^2 + 4918^2 .

It is a cyclic number.

It is not a de Polignac number, because 223453405213 - 2¹³ = 223453397021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223453405283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111726702606 + 111726702607.

It is an arithmetic number, because the mean of its divisors is an integer number (111726702607).

Almost surely, 2^223453405213 is an apocalyptic number.

It is an amenable number.

223453405213 is a deficient number, since it is larger than the sum of its proper divisors (1).

223453405213 is an equidigital number, since it uses as much as digits as its factorization.

223453405213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 223453405213 its reverse (312504354322), we get a palindrome (535957759535).

The spelling of 223453405213 in words is "two hundred twenty-three billion, four hundred fifty-three million, four hundred five thousand, two hundred thirteen".