423111413421 has 24 divisors (see below), whose sum is σ = 643404109920. Its totient is φ = 267196353696.

The previous prime is 423111413381. The next prime is 423111413443. The reversal of 423111413421 is 124314111324.

It is a happy number.

423111413421 is a `hidden beast` number, since 4 + 2 + 311 + 1 + 4 + 1 + 342 + 1 = 666.

It is not a de Polignac number, because 423111413421 - 2⁶ = 423111413357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423111413321) 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, 1331811 + ... + 1618623.

It is an arithmetic number, because the mean of its divisors is an integer number (26808504580).

Almost surely, 2^423111413421 is an apocalyptic number.

It is an amenable number.

423111413421 is a deficient number, since it is larger than the sum of its proper divisors (220292696499).

423111413421 is a wasteful number, since it uses less digits than its factorization.

423111413421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295465 (or 295462 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

Adding to 423111413421 its reverse (124314111324), we get a palindrome (547425524745).

The spelling of 423111413421 in words is "four hundred twenty-three billion, one hundred eleven million, four hundred thirteen thousand, four hundred twenty-one".