623456541 has 16 divisors (see below), whose sum is σ = 924278400. Its totient is φ = 415350144.

The previous prime is 623456513. The next prime is 623456563. The reversal of 623456541 is 145654326.

623456541 is a `hidden beast` number, since 62 + 3 + 4 + 56 + 541 = 666.

It is not a de Polignac number, because 623456541 - 2¹¹ = 623454493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 623456496 and 623456505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623454541) 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, 36205 + ... + 50573.

It is an arithmetic number, because the mean of its divisors is an integer number (57767400).

Almost surely, 2^623456541 is an apocalyptic number.

It is an amenable number.

623456541 is a deficient number, since it is larger than the sum of its proper divisors (300821859).

623456541 is a wasteful number, since it uses less digits than its factorization.

623456541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15985 (or 15979 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 623456541 is about 24969.1117383058. Note that the first 3 decimals coincide. The cubic root of 623456541 is about 854.2835857794.

It can be divided in two parts, 62345 and 6541, that added together give a palindrome (68886).

The spelling of 623456541 in words is "six hundred twenty-three million, four hundred fifty-six thousand, five hundred forty-one".