64423456143453 has 48 divisors (see below), whose sum is σ = 105279108480000. Its totient is φ = 39043214552880.

The previous prime is 64423456143407. The next prime is 64423456143479. The reversal of 64423456143453 is 35434165432446.

64423456143453 is a `hidden beast` number, since 6 + 4 + 4 + 2 + 3 + 45 + 6 + 143 + 453 = 666.

It is not a de Polignac number, because 64423456143453 - 2¹⁰ = 64423456142429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64423456143453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64423456143353) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82847548 + ... + 83621546.

It is an arithmetic number, because the mean of its divisors is an integer number (2193314760000).

Almost surely, 2^{64423456143453} is an apocalyptic number.

It is an amenable number.

64423456143453 is a deficient number, since it is larger than the sum of its proper divisors (40855652336547).

64423456143453 is a wasteful number, since it uses less digits than its factorization.

64423456143453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805164 (or 805152 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 54.

The spelling of 64423456143453 in words is "sixty-four trillion, four hundred twenty-three billion, four hundred fifty-six million, one hundred forty-three thousand, four hundred fifty-three".