421623467 has 4 divisors (see below), whose sum is σ = 435224256. Its totient is φ = 408022680.

The previous prime is 421623463. The next prime is 421623479. The reversal of 421623467 is 764326124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 421623467 - 2² = 421623463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421623463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6800348 + ... + 6800409.

It is an arithmetic number, because the mean of its divisors is an integer number (108806064).

Almost surely, 2^421623467 is an apocalyptic number.

421623467 is a deficient number, since it is larger than the sum of its proper divisors (13600789).

421623467 is a wasteful number, since it uses less digits than its factorization.

421623467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13600788.

The product of its digits is 48384, while the sum is 35.

The square root of 421623467 is about 20533.4718691214. The cubic root of 421623467 is about 749.8509137738.

The spelling of 421623467 in words is "four hundred twenty-one million, six hundred twenty-three thousand, four hundred sixty-seven".