43648281725623 has 2 divisors, whose sum is σ = 43648281725624. Its totient is φ = 43648281725622.

The previous prime is 43648281725563. The next prime is 43648281725639. The reversal of 43648281725623 is 32652718284634.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43648281725623 - 2¹⁷ = 43648281594551 is a prime.

It is a super-3 number, since 3×43648281725623³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43648281725663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21824140862811 + 21824140862812.

It is an arithmetic number, because the mean of its divisors is an integer number (21824140862812).

Almost surely, 2^{43648281725623} is an apocalyptic number.

43648281725623 is a deficient number, since it is larger than the sum of its proper divisors (1).

43648281725623 is an equidigital number, since it uses as much as digits as its factorization.

43648281725623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92897280, while the sum is 61.

The spelling of 43648281725623 in words is "forty-three trillion, six hundred forty-eight billion, two hundred eighty-one million, seven hundred twenty-five thousand, six hundred twenty-three".