123350644403 has 8 divisors (see below), whose sum is σ = 149264645472. Its totient is φ = 99509763456.

The previous prime is 123350644381. The next prime is 123350644421. The reversal of 123350644403 is 304446053321.

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 123350644403 - 2²² = 123346450099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123350644603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518279900 + ... + 518280137.

It is an arithmetic number, because the mean of its divisors is an integer number (18658080684).

Almost surely, 2^123350644403 is an apocalyptic number.

123350644403 is a deficient number, since it is larger than the sum of its proper divisors (25914001069).

123350644403 is a wasteful number, since it uses less digits than its factorization.

123350644403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036560061.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 123350644403 its reverse (304446053321), we get a palindrome (427796697724).

The spelling of 123350644403 in words is "one hundred twenty-three billion, three hundred fifty million, six hundred forty-four thousand, four hundred three".