40423247003641 has 2 divisors, whose sum is σ = 40423247003642. Its totient is φ = 40423247003640.

The previous prime is 40423247003569. The next prime is 40423247003651. The reversal of 40423247003641 is 14630074232404.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40342759044025 + 80487959616 = 6351595^2 + 283704^2 .

It is a cyclic number.

It is not a de Polignac number, because 40423247003641 - 2¹¹ = 40423247001593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40423247003594 and 40423247003603.

It is not a weakly prime, because it can be changed into another prime (40423247003651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20211623501820 + 20211623501821.

It is an arithmetic number, because the mean of its divisors is an integer number (20211623501821).

Almost surely, 2^{40423247003641} is an apocalyptic number.

It is an amenable number.

40423247003641 is a deficient number, since it is larger than the sum of its proper divisors (1).

40423247003641 is an equidigital number, since it uses as much as digits as its factorization.

40423247003641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 40.

The spelling of 40423247003641 in words is "forty trillion, four hundred twenty-three billion, two hundred forty-seven million, three thousand, six hundred forty-one".