64341256623 has 8 divisors (see below), whose sum is σ = 98043819648. Its totient is φ = 36766432344.

The previous prime is 64341256601. The next prime is 64341256627. The reversal of 64341256623 is 32665214346.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64341256623 - 2¹⁴ = 64341240239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64341256627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1531934661 + ... + 1531934702.

It is an arithmetic number, because the mean of its divisors is an integer number (12255477456).

Almost surely, 2^64341256623 is an apocalyptic number.

64341256623 is a deficient number, since it is larger than the sum of its proper divisors (33702563025).

64341256623 is a wasteful number, since it uses less digits than its factorization.

64341256623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3063869373.

The product of its digits is 622080, while the sum is 42.

The spelling of 64341256623 in words is "sixty-four billion, three hundred forty-one million, two hundred fifty-six thousand, six hundred twenty-three".