641352123 has 12 divisors (see below), whose sum is σ = 929819488. Its totient is φ = 425988720.

The previous prime is 641352097. The next prime is 641352133. The reversal of 641352123 is 321253146.

641352123 is a `hidden beast` number, since 641 + 3 + 5 + 2 + 12 + 3 = 666.

641352123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 641352123 - 2⁶ = 641352059 is a prime.

It is a super-2 number, since 2×641352123² = 822665091353214258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (641352133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129040 + ... + 133917.

Almost surely, 2^641352123 is an apocalyptic number.

641352123 is a deficient number, since it is larger than the sum of its proper divisors (288467365).

641352123 is a wasteful number, since it uses less digits than its factorization.

641352123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263234 (or 263231 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 641352123 is about 25324.9308587408. The cubic root of 641352123 is about 862.3803367698.

The spelling of 641352123 in words is "six hundred forty-one million, three hundred fifty-two thousand, one hundred twenty-three".