623411453 has 16 divisors (see below), whose sum is σ = 723896064. Its totient is φ = 525813120.

The previous prime is 623411449. The next prime is 623411473. The reversal of 623411453 is 354114326.

It is not a de Polignac number, because 623411453 - 2² = 623411449 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 (623411473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375401 + ... + 377057.

It is an arithmetic number, because the mean of its divisors is an integer number (45243504).

Almost surely, 2^623411453 is an apocalyptic number.

It is an amenable number.

623411453 is a deficient number, since it is larger than the sum of its proper divisors (100484611).

623411453 is a wasteful number, since it uses less digits than its factorization.

623411453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492.

The product of its digits is 8640, while the sum is 29.

The square root of 623411453 is about 24968.2088464511. The cubic root of 623411453 is about 854.2629915255.

Adding to 623411453 its reverse (354114326), we get a palindrome (977525779).

The spelling of 623411453 in words is "six hundred twenty-three million, four hundred eleven thousand, four hundred fifty-three".