40423223304427 has 2 divisors, whose sum is σ = 40423223304428. Its totient is φ = 40423223304426.

The previous prime is 40423223304377. The next prime is 40423223304461. The reversal of 40423223304427 is 72440332232404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40423223304427 - 2¹¹ = 40423223302379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40423223304427.

It is not a weakly prime, because it can be changed into another prime (40423223304727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20211611652213 + 20211611652214.

It is an arithmetic number, because the mean of its divisors is an integer number (20211611652214).

Almost surely, 2^{40423223304427} is an apocalyptic number.

40423223304427 is a deficient number, since it is larger than the sum of its proper divisors (1).

40423223304427 is an equidigital number, since it uses as much as digits as its factorization.

40423223304427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 40.

The spelling of 40423223304427 in words is "forty trillion, four hundred twenty-three billion, two hundred twenty-three million, three hundred four thousand, four hundred twenty-seven".