351123255340 has 192 divisors, whose sum is σ = 910842952320. Its totient is φ = 111928320000.

The previous prime is 351123255277. The next prime is 351123255349. The reversal of 351123255340 is 43552321153.

It is a junction number, because it is equal to n+sod(n) for n = 351123255296 and 351123255305.

It is not an unprimeable number, because it can be changed into a prime (351123255349) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5024640 + ... + 5094040.

It is an arithmetic number, because the mean of its divisors is an integer number (4743973710).

Almost surely, 2^351123255340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 351123255340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (455421476160).

351123255340 is an abundant number, since it is smaller than the sum of its proper divisors (559719696980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

351123255340 is a wasteful number, since it uses less digits than its factorization.

351123255340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69524 (or 69522 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 351123255340 its reverse (43552321153), we get a palindrome (394675576493).

The spelling of 351123255340 in words is "three hundred fifty-one billion, one hundred twenty-three million, two hundred fifty-five thousand, three hundred forty".