421102323 has 12 divisors (see below), whose sum is σ = 608812360. Its totient is φ = 280479456.

The previous prime is 421102249. The next prime is 421102327. The reversal of 421102323 is 323201124.

421102323 is a `hidden beast` number, since 421 + 10 + 232 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-421102323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421102296 and 421102305.

It is not an unprimeable number, because it can be changed into a prime (421102327) 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, 10561 + ... + 30882.

Almost surely, 2^421102323 is an apocalyptic number.

421102323 is a deficient number, since it is larger than the sum of its proper divisors (187710037).

421102323 is a wasteful number, since it uses less digits than its factorization.

421102323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42578 (or 42575 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 421102323 is about 20520.7778361348. Note that the first 3 decimals coincide. The cubic root of 421102323 is about 749.5418375065.

Adding to 421102323 its reverse (323201124), we get a palindrome (744303447).

The spelling of 421102323 in words is "four hundred twenty-one million, one hundred two thousand, three hundred twenty-three".