354123341523 has 24 divisors (see below), whose sum is σ = 585511070976. Its totient is φ = 202035481200.

The previous prime is 354123341501. The next prime is 354123341531. The reversal of 354123341523 is 325143321453.

354123341523 is a `hidden beast` number, since 3 + 5 + 4 + 1 + 233 + 415 + 2 + 3 = 666.

It is not a de Polignac number, because 354123341523 - 2⁶ = 354123341459 is a prime.

It is a super-2 number, since 2×354123341523² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (354123341543) 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, 4414293 + ... + 4493798.

It is an arithmetic number, because the mean of its divisors is an integer number (24396294624).

Almost surely, 2^354123341523 is an apocalyptic number.

354123341523 is a deficient number, since it is larger than the sum of its proper divisors (231387729453).

354123341523 is a wasteful number, since it uses less digits than its factorization.

354123341523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8908735 (or 8908732 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

Adding to 354123341523 its reverse (325143321453), we get a palindrome (679266662976).

The spelling of 354123341523 in words is "three hundred fifty-four billion, one hundred twenty-three million, three hundred forty-one thousand, five hundred twenty-three".