351523023513 has 16 divisors (see below), whose sum is σ = 469629697152. Its totient is φ = 233882640000.

The previous prime is 351523023499. The next prime is 351523023539. The reversal of 351523023513 is 315320325153.

It is not a de Polignac number, because 351523023513 - 2¹⁶ = 351522957977 is a prime.

It is a super-2 number, since 2×351523023513² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (351023023513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18413133 + ... + 18432213.

It is an arithmetic number, because the mean of its divisors is an integer number (29351856072).

Almost surely, 2^351523023513 is an apocalyptic number.

It is an amenable number.

351523023513 is a deficient number, since it is larger than the sum of its proper divisors (118106673639).

351523023513 is a wasteful number, since it uses less digits than its factorization.

351523023513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30976.

The product of its (nonzero) digits is 40500, while the sum is 33.

Adding to 351523023513 its reverse (315320325153), we get a palindrome (666843348666).

The spelling of 351523023513 in words is "three hundred fifty-one billion, five hundred twenty-three million, twenty-three thousand, five hundred thirteen".