351320123 has 32 divisors (see below), whose sum is σ = 456952320. Its totient is φ = 262080000.

The previous prime is 351320119. The next prime is 351320131. The reversal of 351320123 is 321023153.

It is not a de Polignac number, because 351320123 - 2² = 351320119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 351320095 and 351320104.

It is not an unprimeable number, because it can be changed into a prime (351320183) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 291923 + ... + 293123.

It is an arithmetic number, because the mean of its divisors is an integer number (14279760).

Almost surely, 2^351320123 is an apocalyptic number.

351320123 is a deficient number, since it is larger than the sum of its proper divisors (105632197).

351320123 is a wasteful number, since it uses less digits than its factorization.

351320123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 351320123 is about 18743.5354989394. The cubic root of 351320123 is about 705.6147902469.

Adding to 351320123 its reverse (321023153), we get a palindrome (672343276).

The spelling of 351320123 in words is "three hundred fifty-one million, three hundred twenty thousand, one hundred twenty-three".