421041123 has 6 divisors (see below), whose sum is σ = 608170524. Its totient is φ = 280694076.

The previous prime is 421041119. The next prime is 421041133. The reversal of 421041123 is 321140124.

It is not a de Polignac number, because 421041123 - 2² = 421041119 is a prime.

It is a super-2 number, since 2×421041123² = 354551254514202258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 421041096 and 421041105.

It is not an unprimeable number, because it can be changed into a prime (421041113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23391165 + ... + 23391182.

It is an arithmetic number, because the mean of its divisors is an integer number (101361754).

Almost surely, 2^421041123 is an apocalyptic number.

421041123 is a deficient number, since it is larger than the sum of its proper divisors (187129401).

421041123 is a wasteful number, since it uses less digits than its factorization.

421041123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46782353 (or 46782350 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 421041123 is about 20519.2866104063. The cubic root of 421041123 is about 749.5055247306.

Adding to 421041123 its reverse (321140124), we get a palindrome (742181247).

Subtracting from 421041123 its reverse (321140124), we obtain a palindrome (99900999).

The spelling of 421041123 in words is "four hundred twenty-one million, forty-one thousand, one hundred twenty-three".