40008747385423 has 2 divisors, whose sum is σ = 40008747385424. Its totient is φ = 40008747385422.

The previous prime is 40008747385357. The next prime is 40008747385489. The reversal of 40008747385423 is 32458374780004.

It is a balanced prime because it is at equal distance from previous prime (40008747385357) and next prime (40008747385489).

It is a cyclic number.

It is not a de Polignac number, because 40008747385423 - 2²¹ = 40008745288271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40008747386423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20004373692711 + 20004373692712.

It is an arithmetic number, because the mean of its divisors is an integer number (20004373692712).

Almost surely, 2^{40008747385423} is an apocalyptic number.

40008747385423 is a deficient number, since it is larger than the sum of its proper divisors (1).

40008747385423 is an equidigital number, since it uses as much as digits as its factorization.

40008747385423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18063360, while the sum is 55.

The spelling of 40008747385423 in words is "forty trillion, eight billion, seven hundred forty-seven million, three hundred eighty-five thousand, four hundred twenty-three".