351012342523 has 4 divisors (see below), whose sum is σ = 369486676360. Its totient is φ = 332538008688.

The previous prime is 351012342497. The next prime is 351012342557. The reversal of 351012342523 is 325243210153.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 351012342523 - 2¹³ = 351012334331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351012342223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9237166890 + ... + 9237166927.

It is an arithmetic number, because the mean of its divisors is an integer number (92371669090).

Almost surely, 2^351012342523 is an apocalyptic number.

351012342523 is a deficient number, since it is larger than the sum of its proper divisors (18474333837).

351012342523 is a wasteful number, since it uses less digits than its factorization.

351012342523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18474333836.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 351012342523 its reverse (325243210153), we get a palindrome (676255552676).

The spelling of 351012342523 in words is "three hundred fifty-one billion, twelve million, three hundred forty-two thousand, five hundred twenty-three".