353003221123 has 4 divisors (see below), whose sum is σ = 403432252720. Its totient is φ = 302574189528.

The previous prime is 353003221093. The next prime is 353003221139. The reversal of 353003221123 is 321122300353.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321122300353 = 50957 ⋅6301829.

It is a cyclic number.

It is not a de Polignac number, because 353003221123 - 2¹³ = 353003212931 is a prime.

It is a super-2 number, since 2×353003221123² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (353003221223) 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, 25214515788 + ... + 25214515801.

It is an arithmetic number, because the mean of its divisors is an integer number (100858063180).

Almost surely, 2^353003221123 is an apocalyptic number.

353003221123 is a deficient number, since it is larger than the sum of its proper divisors (50429031597).

353003221123 is an equidigital number, since it uses as much as digits as its factorization.

353003221123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50429031596.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 353003221123 its reverse (321122300353), we get a palindrome (674125521476).

The spelling of 353003221123 in words is "three hundred fifty-three billion, three million, two hundred twenty-one thousand, one hundred twenty-three".