421123413 has 8 divisors (see below), whose sum is σ = 580860000. Its totient is φ = 271067888.

The previous prime is 421123411. The next prime is 421123421. The reversal of 421123413 is 314321124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 421123413 - 2¹ = 421123411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 421123413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421123411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2420163 + ... + 2420336.

It is an arithmetic number, because the mean of its divisors is an integer number (72607500).

Almost surely, 2^421123413 is an apocalyptic number.

It is an amenable number.

421123413 is a deficient number, since it is larger than the sum of its proper divisors (159736587).

421123413 is a wasteful number, since it uses less digits than its factorization.

421123413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4840531.

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

The square root of 421123413 is about 20521.2916991110. The cubic root of 421123413 is about 749.5543503588.

Adding to 421123413 its reverse (314321124), we get a palindrome (735444537).

The spelling of 421123413 in words is "four hundred twenty-one million, one hundred twenty-three thousand, four hundred thirteen".