123431453245 has 8 divisors (see below), whose sum is σ = 148680930816. Its totient is φ = 98369704656.

The previous prime is 123431453153. The next prime is 123431453279. The reversal of 123431453245 is 542354134321.

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 123431453245 - 2³⁵ = 89071714877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 46930797 + ... + 46933426.

It is an arithmetic number, because the mean of its divisors is an integer number (18585116352).

Almost surely, 2^123431453245 is an apocalyptic number.

It is an amenable number.

123431453245 is a deficient number, since it is larger than the sum of its proper divisors (25249477571).

123431453245 is an equidigital number, since it uses as much as digits as its factorization.

123431453245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93864491.

The product of its digits is 172800, while the sum is 37.

Adding to 123431453245 its reverse (542354134321), we get a palindrome (665785587566).

The spelling of 123431453245 in words is "one hundred twenty-three billion, four hundred thirty-one million, four hundred fifty-three thousand, two hundred forty-five".