223324121402 has 4 divisors (see below), whose sum is σ = 334986182106. Its totient is φ = 111662060700.

The previous prime is 223324121387. The next prime is 223324121441. The reversal of 223324121402 is 204121423322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204121423322 = 2 ⋅102060711661.

It can be written as a sum of positive squares in only one way, i.e., 170295703561 + 53028417841 = 412669^2 + 230279^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55831030349 + ... + 55831030352.

Almost surely, 2^223324121402 is an apocalyptic number.

223324121402 is a deficient number, since it is larger than the sum of its proper divisors (111662060704).

223324121402 is a wasteful number, since it uses less digits than its factorization.

223324121402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111662060703.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 223324121402 its reverse (204121423322), we get a palindrome (427445544724).

The spelling of 223324121402 in words is "two hundred twenty-three billion, three hundred twenty-four million, one hundred twenty-one thousand, four hundred two".