623024420402 has 8 divisors (see below), whose sum is σ = 935062542876. Its totient is φ = 311336906112.

The previous prime is 623024420309. The next prime is 623024420407. The reversal of 623024420402 is 204024420326.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 601941670801 + 21082749601 = 775849^2 + 145199^2 .

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

It is not an unprimeable number, because it can be changed into a prime (623024420407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87647603 + ... + 87654710.

Almost surely, 2^623024420402 is an apocalyptic number.

623024420402 is a deficient number, since it is larger than the sum of its proper divisors (312038122474).

623024420402 is a wasteful number, since it uses less digits than its factorization.

623024420402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175304092.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 623024420402 its reverse (204024420326), we get a palindrome (827048840728).

The spelling of 623024420402 in words is "six hundred twenty-three billion, twenty-four million, four hundred twenty thousand, four hundred two".