223653242402 has 4 divisors (see below), whose sum is σ = 335479863606. Its totient is φ = 111826621200.

The previous prime is 223653242363. The next prime is 223653242419. The reversal of 223653242402 is 204242356322.

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., 213988582921 + 9664659481 = 462589^2 + 98309^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55913310599 + ... + 55913310602.

Almost surely, 2^223653242402 is an apocalyptic number.

223653242402 is a deficient number, since it is larger than the sum of its proper divisors (111826621204).

223653242402 is a wasteful number, since it uses less digits than its factorization.

223653242402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111826621203.

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 223653242402 its reverse (204242356322), we get a palindrome (427895598724).

The spelling of 223653242402 in words is "two hundred twenty-three billion, six hundred fifty-three million, two hundred forty-two thousand, four hundred two".