123603571043 has 8 divisors (see below), whose sum is σ = 125010634560. Its totient is φ = 122199217920.

The previous prime is 123603571031. The next prime is 123603571051. The reversal of 123603571043 is 340175306321.

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 123603571043 - 2⁸ = 123603570787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123603570994 and 123603571012.

It is not an unprimeable number, because it can be changed into a prime (123603571243) 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, 585803 + ... + 768356.

It is an arithmetic number, because the mean of its divisors is an integer number (15626329320).

Almost surely, 2^123603571043 is an apocalyptic number.

123603571043 is a deficient number, since it is larger than the sum of its proper divisors (1407063517).

123603571043 is an equidigital number, since it uses as much as digits as its factorization.

123603571043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355197.

The product of its (nonzero) digits is 45360, while the sum is 35.

Adding to 123603571043 its reverse (340175306321), we get a palindrome (463778877364).

The spelling of 123603571043 in words is "one hundred twenty-three billion, six hundred three million, five hundred seventy-one thousand, forty-three".