423887353 has 4 divisors (see below), whose sum is σ = 430836388. Its totient is φ = 416938320.

The previous prime is 423887297. The next prime is 423887369. The reversal of 423887353 is 353788324.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12730624 + 411156729 = 3568^2 + 20277^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423887353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423887393) 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, 3474426 + ... + 3474547.

It is an arithmetic number, because the mean of its divisors is an integer number (107709097).

Almost surely, 2^423887353 is an apocalyptic number.

It is an amenable number.

423887353 is a deficient number, since it is larger than the sum of its proper divisors (6949035).

423887353 is an equidigital number, since it uses as much as digits as its factorization.

423887353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6949034.

The product of its digits is 483840, while the sum is 43.

The square root of 423887353 is about 20588.5247893092. The cubic root of 423887353 is about 751.1906143978.

The spelling of 423887353 in words is "four hundred twenty-three million, eight hundred eighty-seven thousand, three hundred fifty-three".