243224230402 has 8 divisors (see below), whose sum is σ = 367499385036. Its totient is φ = 120724435392.

The previous prime is 243224230391. The next prime is 243224230439. The reversal of 243224230402 is 204032422342.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 238897090441 + 4327139961 = 488771^2 + 65781^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443839563 + ... + 443840110.

Almost surely, 2^243224230402 is an apocalyptic number.

243224230402 is a deficient number, since it is larger than the sum of its proper divisors (124275154634).

243224230402 is a wasteful number, since it uses less digits than its factorization.

243224230402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887679812.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 243224230402 its reverse (204032422342), we get a palindrome (447256652744).

The spelling of 243224230402 in words is "two hundred forty-three billion, two hundred twenty-four million, two hundred thirty thousand, four hundred two".