421044100023 has 8 divisors (see below), whose sum is σ = 566638789248. Its totient is φ = 278072738744.

The previous prime is 421044100019. The next prime is 421044100039. The reversal of 421044100023 is 320001440124.

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 421044100023 - 2² = 421044100019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421044100003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 655831611 + ... + 655832252.

It is an arithmetic number, because the mean of its divisors is an integer number (70829848656).

Almost surely, 2^421044100023 is an apocalyptic number.

421044100023 is a deficient number, since it is larger than the sum of its proper divisors (145594689225).

421044100023 is a wasteful number, since it uses less digits than its factorization.

421044100023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311663973.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 421044100023 its reverse (320001440124), we get a palindrome (741045540147).

The spelling of 421044100023 in words is "four hundred twenty-one billion, forty-four million, one hundred thousand, twenty-three".