421265423 has 8 divisors (see below), whose sum is σ = 447997680. Its totient is φ = 394750080.

The previous prime is 421265413. The next prime is 421265459. The reversal of 421265423 is 324562124.

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 421265423 - 2¹⁴ = 421249039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421265413) 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, 50213 + ... + 57998.

It is an arithmetic number, because the mean of its divisors is an integer number (55999710).

Almost surely, 2^421265423 is an apocalyptic number.

421265423 is a deficient number, since it is larger than the sum of its proper divisors (26732257).

421265423 is a wasteful number, since it uses less digits than its factorization.

421265423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108457.

The product of its digits is 11520, while the sum is 29.

The square root of 421265423 is about 20524.7514723078. The cubic root of 421265423 is about 749.6385950618.

The spelling of 421265423 in words is "four hundred twenty-one million, two hundred sixty-five thousand, four hundred twenty-three".