623426241 has 4 divisors (see below), whose sum is σ = 831234992. Its totient is φ = 415617492.

The previous prime is 623426207. The next prime is 623426257. The reversal of 623426241 is 142624326.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 623426241 - 2⁹ = 623425729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 623426199 and 623426208.

It is not an unprimeable number, because it can be changed into a prime (623326241) 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 3 ways as a sum of consecutive naturals, for example, 103904371 + ... + 103904376.

It is an arithmetic number, because the mean of its divisors is an integer number (207808748).

Almost surely, 2^623426241 is an apocalyptic number.

It is an amenable number.

623426241 is a deficient number, since it is larger than the sum of its proper divisors (207808751).

623426241 is a wasteful number, since it uses less digits than its factorization.

623426241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207808750.

The product of its digits is 13824, while the sum is 30.

The square root of 623426241 is about 24968.5049812759. The cubic root of 623426241 is about 854.2697461556.

The spelling of 623426241 in words is "six hundred twenty-three million, four hundred twenty-six thousand, two hundred forty-one".