123534313443 has 48 divisors (see below), whose sum is σ = 184994933760. Its totient is φ = 79354123200.

The previous prime is 123534313421. The next prime is 123534313451. The reversal of 123534313443 is 344313435321.

123534313443 is a `hidden beast` number, since 1 + 23 + 534 + 31 + 34 + 43 = 666.

It is not a de Polignac number, because 123534313443 - 2¹⁷ = 123534182371 is a prime.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 123534313398 and 123534313407.

It is not an unprimeable number, because it can be changed into a prime (123534313403) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 110003280 + ... + 110004402.

It is an arithmetic number, because the mean of its divisors is an integer number (3854061120).

Almost surely, 2^123534313443 is an apocalyptic number.

123534313443 is a deficient number, since it is larger than the sum of its proper divisors (61460620317).

123534313443 is a wasteful number, since it uses less digits than its factorization.

123534313443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520 (or 2517 counting only the distinct ones).

The product of its digits is 155520, while the sum is 36.

Adding to 123534313443 its reverse (344313435321), we get a palindrome (467847748764).

The spelling of 123534313443 in words is "one hundred twenty-three billion, five hundred thirty-four million, three hundred thirteen thousand, four hundred forty-three".