355323323553 has 24 divisors (see below), whose sum is σ = 534823660224. Its totient is φ = 209527259040.

The previous prime is 355323323533. The next prime is 355323323591.

355323323553 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 355323323553 - 2⁶ = 355323323489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (355323323533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13214301 + ... + 13241162.

It is an arithmetic number, because the mean of its divisors is an integer number (22284319176).

Almost surely, 2^355323323553 is an apocalyptic number.

355323323553 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

355323323553 is a deficient number, since it is larger than the sum of its proper divisors (179500336671).

355323323553 is a wasteful number, since it uses less digits than its factorization.

355323323553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26455525 (or 26455514 counting only the distinct ones).

The product of its digits is 1822500, while the sum is 42.

It can be divided in two parts, 355323 and 323553, that added together give a palindrome (678876).

The spelling of 355323323553 in words is "three hundred fifty-five billion, three hundred twenty-three million, three hundred twenty-three thousand, five hundred fifty-three".