351555004423 has 96 divisors (see below), whose sum is σ = 438959243520. Its totient is φ = 280360604160.

The previous prime is 351555004379. The next prime is 351555004433. The reversal of 351555004423 is 324400555153.

It is not a de Polignac number, because 351555004423 - 2⁹ = 351555003911 is a prime.

It is a super-2 number, since 2×351555004423² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351555004433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 672189040 + ... + 672189562.

It is an arithmetic number, because the mean of its divisors is an integer number (4572492120).

Almost surely, 2^351555004423 is an apocalyptic number.

351555004423 is a deficient number, since it is larger than the sum of its proper divisors (87404239097).

351555004423 is a wasteful number, since it uses less digits than its factorization.

351555004423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797 (or 790 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 37.

Adding to 351555004423 its reverse (324400555153), we get a palindrome (675955559576).

The spelling of 351555004423 in words is "three hundred fifty-one billion, five hundred fifty-five million, four thousand, four hundred twenty-three".