553143023 has 4 divisors (see below), whose sum is σ = 558038208. Its totient is φ = 548247840.

The previous prime is 553143011. The next prime is 553143043. The reversal of 553143023 is 320341355.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-553143023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 553142983 and 553143001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553143043) 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, 2447423 + ... + 2447648.

It is an arithmetic number, because the mean of its divisors is an integer number (139509552).

Almost surely, 2^553143023 is an apocalyptic number.

553143023 is a deficient number, since it is larger than the sum of its proper divisors (4895185).

553143023 is a wasteful number, since it uses less digits than its factorization.

553143023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4895184.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 553143023 is about 23518.9928143192. The cubic root of 553143023 is about 820.8790013970.

Adding to 553143023 its reverse (320341355), we get a palindrome (873484378).

The spelling of 553143023 in words is "five hundred fifty-three million, one hundred forty-three thousand, twenty-three".