354043332423 has 24 divisors (see below), whose sum is σ = 561111267600. Its totient is φ = 213331407360.

The previous prime is 354043332371. The next prime is 354043332463. The reversal of 354043332423 is 324233340453.

354043332423 is a `hidden beast` number, since 3 + 5 + 404 + 3 + 3 + 3 + 242 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-354043332423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354043332463) 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, 10318698 + ... + 10352951.

It is an arithmetic number, because the mean of its divisors is an integer number (23379636150).

Almost surely, 2^354043332423 is an apocalyptic number.

354043332423 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

354043332423 is a deficient number, since it is larger than the sum of its proper divisors (207067935177).

354043332423 is a wasteful number, since it uses less digits than its factorization.

354043332423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20671839 (or 20671836 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 36.

Adding to 354043332423 its reverse (324233340453), we get a palindrome (678276672876).

The spelling of 354043332423 in words is "three hundred fifty-four billion, forty-three million, three hundred thirty-two thousand, four hundred twenty-three".