351615312623 has 8 divisors (see below), whose sum is σ = 352410835968. Its totient is φ = 350819945784.

The previous prime is 351615312617. The next prime is 351615312667. The reversal of 351615312623 is 326213516153.

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 351615312623 - 2¹⁴ = 351615296239 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 (351615312613) 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, 5266790 + ... + 5333132.

It is an arithmetic number, because the mean of its divisors is an integer number (44051354496).

Almost surely, 2^351615312623 is an apocalyptic number.

351615312623 is a deficient number, since it is larger than the sum of its proper divisors (795523345).

351615312623 is a wasteful number, since it uses less digits than its factorization.

351615312623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78253.

The product of its digits is 97200, while the sum is 38.

Adding to 351615312623 its reverse (326213516153), we get a palindrome (677828828776).

The spelling of 351615312623 in words is "three hundred fifty-one billion, six hundred fifteen million, three hundred twelve thousand, six hundred twenty-three".