421314723 has 32 divisors (see below), whose sum is σ = 668908800. Its totient is φ = 261145728.

The previous prime is 421314703. The next prime is 421314793. The reversal of 421314723 is 327413124.

It is a happy number.

It is not a de Polignac number, because 421314723 - 2¹⁶ = 421249187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (421314703) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32568 + ... + 43626.

It is an arithmetic number, because the mean of its divisors is an integer number (20903400).

Almost surely, 2^421314723 is an apocalyptic number.

421314723 is a deficient number, since it is larger than the sum of its proper divisors (247594077).

421314723 is a wasteful number, since it uses less digits than its factorization.

421314723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11168 (or 11162 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 421314723 is about 20525.9524261360. The cubic root of 421314723 is about 749.6678369120.

Adding to 421314723 its reverse (327413124), we get a palindrome (748727847).

The spelling of 421314723 in words is "four hundred twenty-one million, three hundred fourteen thousand, seven hundred twenty-three".