421303230302402 has 16 divisors (see below), whose sum is σ = 722234386368960. Its totient is φ = 180558457952688.

The previous prime is 421303230302393. The next prime is 421303230302413. The reversal of 421303230302402 is 204203032303124.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51737849 + ... + 59324627.

It is an arithmetic number, because the mean of its divisors is an integer number (45139649148060).

Almost surely, 2^{421303230302402} is an apocalyptic number.

421303230302402 is a deficient number, since it is larger than the sum of its proper divisors (300931156066558).

421303230302402 is a wasteful number, since it uses less digits than its factorization.

421303230302402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11553305.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 421303230302402 its reverse (204203032303124), we get a palindrome (625506262605526).

The spelling of 421303230302402 in words is "four hundred twenty-one trillion, three hundred three billion, two hundred thirty million, three hundred two thousand, four hundred two".