123252445543 has 8 divisors (see below), whose sum is σ = 125062706736. Its totient is φ = 121453752000.

The previous prime is 123252445493. The next prime is 123252445579. The reversal of 123252445543 is 345544252321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123252445543 - 2²¹ = 123250348391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123252445496 and 123252445505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123252445583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2870446 + ... + 2913067.

It is an arithmetic number, because the mean of its divisors is an integer number (15632838342).

Almost surely, 2^123252445543 is an apocalyptic number.

123252445543 is a deficient number, since it is larger than the sum of its proper divisors (1810261193).

123252445543 is a wasteful number, since it uses less digits than its factorization.

123252445543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5783825.

The product of its digits is 576000, while the sum is 40.

Adding to 123252445543 its reverse (345544252321), we get a palindrome (468796697864).

The spelling of 123252445543 in words is "one hundred twenty-three billion, two hundred fifty-two million, four hundred forty-five thousand, five hundred forty-three".