423575969 has 4 divisors (see below), whose sum is σ = 423870144. Its totient is φ = 423281796.

The previous prime is 423575953. The next prime is 423576007. The reversal of 423575969 is 969575324.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 423575969 - 2⁴ = 423575953 is a prime.

It is a super-2 number, since 2×423575969² = 358833203028577922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423575939) 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, 144917 + ... + 147810.

It is an arithmetic number, because the mean of its divisors is an integer number (105967536).

Almost surely, 2^423575969 is an apocalyptic number.

It is an amenable number.

423575969 is a deficient number, since it is larger than the sum of its proper divisors (294175).

423575969 is a wasteful number, since it uses less digits than its factorization.

423575969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294174.

The product of its digits is 2041200, while the sum is 50.

The square root of 423575969 is about 20580.9613235145. The cubic root of 423575969 is about 751.0066299534.

The spelling of 423575969 in words is "four hundred twenty-three million, five hundred seventy-five thousand, nine hundred sixty-nine".