421122130023 has 32 divisors (see below), whose sum is σ = 642680801280. Its totient is φ = 240277396320.

The previous prime is 421122130003. The next prime is 421122130031. The reversal of 421122130023 is 320031221124.

It is not a de Polignac number, because 421122130023 - 2⁶ = 421122129959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421122130003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59925636 + ... + 59932662.

It is an arithmetic number, because the mean of its divisors is an integer number (20083775040).

Almost surely, 2^421122130023 is an apocalyptic number.

421122130023 is a deficient number, since it is larger than the sum of its proper divisors (221558671257).

421122130023 is a wasteful number, since it uses less digits than its factorization.

421122130023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10947.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 421122130023 its reverse (320031221124), we get a palindrome (741153351147).

The spelling of 421122130023 in words is "four hundred twenty-one billion, one hundred twenty-two million, one hundred thirty thousand, twenty-three".