423414421 has 16 divisors (see below), whose sum is σ = 455894208. Its totient is φ = 392515200.

The previous prime is 423414379. The next prime is 423414437. The reversal of 423414421 is 124414324.

It is a cyclic number.

It is not a de Polignac number, because 423414421 - 2¹¹ = 423412373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423414491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61986 + ... + 68476.

It is an arithmetic number, because the mean of its divisors is an integer number (28493388).

Almost surely, 2^423414421 is an apocalyptic number.

423414421 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

423414421 is a deficient number, since it is larger than the sum of its proper divisors (32479787).

423414421 is a wasteful number, since it uses less digits than its factorization.

423414421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6612.

The product of its digits is 3072, while the sum is 25.

The square root of 423414421 is about 20577.0362540381. The cubic root of 423414421 is about 750.9111421266.

Adding to 423414421 its reverse (124414324), we get a palindrome (547828745).

The spelling of 423414421 in words is "four hundred twenty-three million, four hundred fourteen thousand, four hundred twenty-one".