421413404314123 has 64 divisors (see below), whose sum is σ = 492000050868480. Its totient is φ = 357707608473600.

The previous prime is 421413404314121. The next prime is 421413404314129. The reversal of 421413404314123 is 321413404314124.

It is a cyclic number.

It is not a de Polignac number, because 421413404314123 - 2¹ = 421413404314121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421413404314121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19143831465 + ... + 19143853477.

It is an arithmetic number, because the mean of its divisors is an integer number (7687500794820).

Almost surely, 2^{421413404314123} is an apocalyptic number.

421413404314123 is a deficient number, since it is larger than the sum of its proper divisors (70586646554357).

421413404314123 is a wasteful number, since it uses less digits than its factorization.

421413404314123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31480.

The product of its (nonzero) digits is 110592, while the sum is 37.

Adding to 421413404314123 its reverse (321413404314124), we get a palindrome (742826808628247).

Subtracting from 421413404314123 its reverse (321413404314124), we obtain a palindrome (99999999999999).

The spelling of 421413404314123 in words is "four hundred twenty-one trillion, four hundred thirteen billion, four hundred four million, three hundred fourteen thousand, one hundred twenty-three".