123542353303 has 4 divisors (see below), whose sum is σ = 125106180640. Its totient is φ = 121978525968.

The previous prime is 123542353283. The next prime is 123542353313. The reversal of 123542353303 is 303353245321.

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-123542353303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123542353313) 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, 781913550 + ... + 781913707.

It is an arithmetic number, because the mean of its divisors is an integer number (31276545160).

Almost surely, 2^123542353303 is an apocalyptic number.

123542353303 is a deficient number, since it is larger than the sum of its proper divisors (1563827337).

123542353303 is an equidigital number, since it uses as much as digits as its factorization.

123542353303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563827336.

The product of its (nonzero) digits is 97200, while the sum is 34.

Adding to 123542353303 its reverse (303353245321), we get a palindrome (426895598624).

The spelling of 123542353303 in words is "one hundred twenty-three billion, five hundred forty-two million, three hundred fifty-three thousand, three hundred three".