123520322351 has 8 divisors (see below), whose sum is σ = 123830448000. Its totient is φ = 123210462240.

The previous prime is 123520322347. The next prime is 123520322353. The reversal of 123520322351 is 153223025321.

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 123520322351 - 2² = 123520322347 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 (123520322353) 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, 882050 + ... + 1012448.

It is an arithmetic number, because the mean of its divisors is an integer number (15478806000).

Almost surely, 2^123520322351 is an apocalyptic number.

123520322351 is a deficient number, since it is larger than the sum of its proper divisors (310125649).

123520322351 is a wasteful number, since it uses less digits than its factorization.

123520322351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132769.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 123520322351 its reverse (153223025321), we get a palindrome (276743347672).

The spelling of 123520322351 in words is "one hundred twenty-three billion, five hundred twenty million, three hundred twenty-two thousand, three hundred fifty-one".