623715441 has 16 divisors (see below), whose sum is σ = 865468800. Its totient is φ = 399058688.

The previous prime is 623715437. The next prime is 623715457. The reversal of 623715441 is 144517326.

It is a cyclic number.

It is not a de Polignac number, because 623715441 - 2² = 623715437 is a prime.

It is a super-3 number, since 3×623715441³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (623715461) 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, 6936 + ... + 35993.

It is an arithmetic number, because the mean of its divisors is an integer number (54091800).

Almost surely, 2^623715441 is an apocalyptic number.

It is an amenable number.

623715441 is a deficient number, since it is larger than the sum of its proper divisors (241753359).

623715441 is a wasteful number, since it uses less digits than its factorization.

623715441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43128.

The product of its digits is 20160, while the sum is 33.

The square root of 623715441 is about 24974.2956056823. The cubic root of 623715441 is about 854.4018209183.

The spelling of 623715441 in words is "six hundred twenty-three million, seven hundred fifteen thousand, four hundred forty-one".