423695369 has 8 divisors (see below), whose sum is σ = 448986888. Its totient is φ = 398444800.

The previous prime is 423695339. The next prime is 423695381. The reversal of 423695369 is 963596324.

It can be written as a sum of positive squares in 4 ways, for example, as 8065600 + 415629769 = 2840^2 + 20387^2 .

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 423695369 - 2²⁰ = 422646793 is a prime.

It is a super-2 number, since 2×423695369² = 359035531424092322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423695309) 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, 12539 + ... + 31695.

It is an arithmetic number, because the mean of its divisors is an integer number (56123361).

Almost surely, 2^423695369 is an apocalyptic number.

It is an amenable number.

423695369 is a deficient number, since it is larger than the sum of its proper divisors (25291519).

423695369 is a wasteful number, since it uses less digits than its factorization.

423695369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20475.

The product of its digits is 1049760, while the sum is 47.

The square root of 423695369 is about 20583.8618582617. The cubic root of 423695369 is about 751.0771893287.

The spelling of 423695369 in words is "four hundred twenty-three million, six hundred ninety-five thousand, three hundred sixty-nine".