421033023 has 12 divisors (see below), whose sum is σ = 612034488. Its totient is φ = 278899920.

The previous prime is 421033013. The next prime is 421033031. The reversal of 421033023 is 320330124.

It is not a de Polignac number, because 421033023 - 2⁹ = 421032511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 421032987 and 421033005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421033013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147573 + ... + 150398.

It is an arithmetic number, because the mean of its divisors is an integer number (51002874).

Almost surely, 2^421033023 is an apocalyptic number.

421033023 is a deficient number, since it is larger than the sum of its proper divisors (191001465).

421033023 is a wasteful number, since it uses less digits than its factorization.

421033023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298134 (or 298131 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 421033023 is about 20519.0892341741. The cubic root of 421033023 is about 749.5007183642.

Adding to 421033023 its reverse (320330124), we get a palindrome (741363147).

The spelling of 421033023 in words is "four hundred twenty-one million, thirty-three thousand, twenty-three".