421012433001123 has 24 divisors (see below), whose sum is σ = 631108939019520. Its totient is φ = 270130705004160.

The previous prime is 421012433001091. The next prime is 421012433001187. The reversal of 421012433001123 is 321100334210124.

421012433001123 is a `hidden beast` number, since 4 + 2 + 1 + 0 + 1 + 243 + 300 + 112 + 3 = 666.

It is not a de Polignac number, because 421012433001123 - 2⁵ = 421012433001091 is a prime.

It is a super-2 number, since 2×421012433001123² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (421012433011123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2576714563 + ... + 2576877948.

It is an arithmetic number, because the mean of its divisors is an integer number (26296205792480).

Almost surely, 2^{421012433001123} is an apocalyptic number.

421012433001123 is a deficient number, since it is larger than the sum of its proper divisors (210096506018397).

421012433001123 is a wasteful number, since it uses less digits than its factorization.

421012433001123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5153592859 (or 5153592856 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 421012433001123 its reverse (321100334210124), we get a palindrome (742112767211247).

The spelling of 421012433001123 in words is "four hundred twenty-one trillion, twelve billion, four hundred thirty-three million, one thousand, one hundred twenty-three".