543350026123 has 4 divisors (see below), whose sum is σ = 544576550328. Its totient is φ = 542123501920.

The previous prime is 543350026069. The next prime is 543350026213. The reversal of 543350026123 is 321620053345.

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-543350026123 is a prime.

It is a super-2 number, since 2×543350026123² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (543350026223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613261438 + ... + 613262323.

It is an arithmetic number, because the mean of its divisors is an integer number (136144137582).

Almost surely, 2^543350026123 is an apocalyptic number.

543350026123 is a deficient number, since it is larger than the sum of its proper divisors (1226524205).

543350026123 is a wasteful number, since it uses less digits than its factorization.

543350026123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226524204.

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 543350026123 its reverse (321620053345), we get a palindrome (864970079468).

The spelling of 543350026123 in words is "five hundred forty-three billion, three hundred fifty million, twenty-six thousand, one hundred twenty-three".