422601923 has 4 divisors (see below), whose sum is σ = 424285848. Its totient is φ = 420918000.

The previous prime is 422601911. The next prime is 422601941. The reversal of 422601923 is 329106224.

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 422601923 - 2⁶ = 422601859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422601973) 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, 841586 + ... + 842087.

It is an arithmetic number, because the mean of its divisors is an integer number (106071462).

Almost surely, 2^422601923 is an apocalyptic number.

422601923 is a deficient number, since it is larger than the sum of its proper divisors (1683925).

422601923 is a wasteful number, since it uses less digits than its factorization.

422601923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683924.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 422601923 is about 20557.2839402485. The cubic root of 422601923 is about 750.4305220056.

The spelling of 422601923 in words is "four hundred twenty-two million, six hundred one thousand, nine hundred twenty-three".