354523263223 has 4 divisors (see below), whose sum is σ = 373182382360. Its totient is φ = 335864144088.

The previous prime is 354523263163. The next prime is 354523263239. The reversal of 354523263223 is 322362325453.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 354523263223 - 2²¹ = 354521166071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354523263023) 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, 9329559540 + ... + 9329559577.

It is an arithmetic number, because the mean of its divisors is an integer number (93295595590).

Almost surely, 2^354523263223 is an apocalyptic number.

354523263223 is a deficient number, since it is larger than the sum of its proper divisors (18659119137).

354523263223 is a wasteful number, since it uses less digits than its factorization.

354523263223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18659119136.

The product of its digits is 777600, while the sum is 40.

Adding to 354523263223 its reverse (322362325453), we get a palindrome (676885588676).

The spelling of 354523263223 in words is "three hundred fifty-four billion, five hundred twenty-three million, two hundred sixty-three thousand, two hundred twenty-three".