623424654465241 has 4 divisors (see below), whose sum is σ = 638630133842484. Its totient is φ = 608219175088000.

The previous prime is 623424654465187. The next prime is 623424654465251. The reversal of 623424654465241 is 142564456424326.

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

It can be written as a sum of positive squares in 2 ways, for example, as 109537239728016 + 513887414737225 = 10466004^2 + 22669085^2 .

It is a cyclic number.

It is not a de Polignac number, because 623424654465241 - 2⁷ = 623424654465113 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (623424654465251) 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, 7602739688560 + ... + 7602739688641.

It is an arithmetic number, because the mean of its divisors is an integer number (159657533460621).

Almost surely, 2^{623424654465241} is an apocalyptic number.

It is an amenable number.

623424654465241 is a deficient number, since it is larger than the sum of its proper divisors (15205479377243).

623424654465241 is a wasteful number, since it uses less digits than its factorization.

623424654465241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15205479377242.

The product of its digits is 132710400, while the sum is 58.

The spelling of 623424654465241 in words is "six hundred twenty-three trillion, four hundred twenty-four billion, six hundred fifty-four million, four hundred sixty-five thousand, two hundred forty-one".