421023202320124 has 24 divisors (see below), whose sum is σ = 739330678005920. Its totient is φ = 209786463806976.

The previous prime is 421023202320073. The next prime is 421023202320151.

421023202320124 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 421023202320092 and 421023202320101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71940312 + ... + 77572255.

Almost surely, 2^{421023202320124} is an apocalyptic number.

It is an amenable number.

421023202320124 is a deficient number, since it is larger than the sum of its proper divisors (318307475685796).

421023202320124 is a wasteful number, since it uses less digits than its factorization.

421023202320124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149514997 (or 149514995 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

It can be divided in two parts, 42102320 and 2320124, that added together give a palindrome (44422444).

The spelling of 421023202320124 in words is "four hundred twenty-one trillion, twenty-three billion, two hundred two million, three hundred twenty thousand, one hundred twenty-four".