23242402 has 4 divisors (see below), whose sum is σ = 34863606. Its totient is φ = 11621200.

The previous prime is 23242379. The next prime is 23242409. The reversal of 23242402 is 20424232.

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., 23242041 + 361 = 4821^2 + 19^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23242402.

It is not an unprimeable number, because it can be changed into a prime (23242409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5810599 + ... + 5810602.

Almost surely, 2^23242402 is an apocalyptic number.

23242402 is a deficient number, since it is larger than the sum of its proper divisors (11621204).

23242402 is a wasteful number, since it uses less digits than its factorization.

23242402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11621203.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 23242402 is about 4821.0374402197. The cubic root of 23242402 is about 285.3822796609.

Adding to 23242402 its reverse (20424232), we get a palindrome (43666634).

The spelling of 23242402 in words is "twenty-three million, two hundred forty-two thousand, four hundred two".