223403402 has 4 divisors (see below), whose sum is σ = 335105106. Its totient is φ = 111701700.

The previous prime is 223403371. The next prime is 223403419. The reversal of 223403402 is 204304322.

223403402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 221741881 + 1661521 = 14891^2 + 1289^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55850849 + ... + 55850852.

Almost surely, 2^223403402 is an apocalyptic number.

223403402 is a deficient number, since it is larger than the sum of its proper divisors (111701704).

223403402 is a wasteful number, since it uses less digits than its factorization.

223403402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111701703.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 223403402 is about 14946.6853181567. The cubic root of 223403402 is about 606.7781415059.

Adding to 223403402 its reverse (204304322), we get a palindrome (427707724).

The spelling of 223403402 in words is "two hundred twenty-three million, four hundred three thousand, four hundred two".