420121323004 has 6 divisors (see below), whose sum is σ = 735212315264. Its totient is φ = 210060661500.

The previous prime is 420121322953. The next prime is 420121323019. The reversal of 420121323004 is 400323121024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52515165372 + ... + 52515165379.

Almost surely, 2^420121323004 is an apocalyptic number.

It is an amenable number.

420121323004 is a deficient number, since it is larger than the sum of its proper divisors (315090992260).

420121323004 is a wasteful number, since it uses less digits than its factorization.

420121323004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105030330755 (or 105030330753 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 420121323004 its reverse (400323121024), we get a palindrome (820444444028).

The spelling of 420121323004 in words is "four hundred twenty billion, one hundred twenty-one million, three hundred twenty-three thousand, four".