553346423 has 16 divisors (see below), whose sum is σ = 640880640. Its totient is φ = 467972736.

The previous prime is 553346411. The next prime is 553346441. The reversal of 553346423 is 324643355.

It is a de Polignac number, because none of the positive numbers 2^k-553346423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553346473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187586 + ... + 190512.

It is an arithmetic number, because the mean of its divisors is an integer number (40055040).

Almost surely, 2^553346423 is an apocalyptic number.

553346423 is a deficient number, since it is larger than the sum of its proper divisors (87534217).

553346423 is a wasteful number, since it uses less digits than its factorization.

553346423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3286.

The product of its digits is 129600, while the sum is 35.

The square root of 553346423 is about 23523.3165816387. The cubic root of 553346423 is about 820.9796060752.

Adding to 553346423 its reverse (324643355), we get a palindrome (877989778).

The spelling of 553346423 in words is "five hundred fifty-three million, three hundred forty-six thousand, four hundred twenty-three".