421024301101423 has 4 divisors (see below), whose sum is σ = 426096883042488. Its totient is φ = 415951719160360.

The previous prime is 421024301101403. The next prime is 421024301101451. The reversal of 421024301101423 is 324101103420124.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 421024301101423 - 2³⁷ = 420886862147951 is a prime.

It is a super-2 number, since 2×421024301101423² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421024301101391 and 421024301101400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421024301101403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2536290970408 + ... + 2536290970573.

It is an arithmetic number, because the mean of its divisors is an integer number (106524220760622).

Almost surely, 2^{421024301101423} is an apocalyptic number.

421024301101423 is a deficient number, since it is larger than the sum of its proper divisors (5072581941065).

421024301101423 is an equidigital number, since it uses as much as digits as its factorization.

421024301101423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5072581941064.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 421024301101423 its reverse (324101103420124), we get a palindrome (745125404521547).

The spelling of 421024301101423 in words is "four hundred twenty-one trillion, twenty-four billion, three hundred one million, one hundred one thousand, four hundred twenty-three".