623361521343 has 24 divisors (see below), whose sum is σ = 947843769600. Its totient is φ = 361368987760.

The previous prime is 623361521323. The next prime is 623361521353. The reversal of 623361521343 is 343125163326.

It is not a de Polignac number, because 623361521343 - 2¹⁰ = 623361520319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623361521303) 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, 17836743 + ... + 17871656.

It is an arithmetic number, because the mean of its divisors is an integer number (39493490400).

Almost surely, 2^623361521343 is an apocalyptic number.

623361521343 is a deficient number, since it is larger than the sum of its proper divisors (324482248257).

623361521343 is a wasteful number, since it uses less digits than its factorization.

623361521343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35708459 (or 35708436 counting only the distinct ones).

The product of its digits is 233280, while the sum is 39.

Adding to 623361521343 its reverse (343125163326), we get a palindrome (966486684669).

The spelling of 623361521343 in words is "six hundred twenty-three billion, three hundred sixty-one million, five hundred twenty-one thousand, three hundred forty-three".