40247323043 has 2 divisors, whose sum is σ = 40247323044. Its totient is φ = 40247323042.

The previous prime is 40247323037. The next prime is 40247323049. The reversal of 40247323043 is 34032374204.

It is a balanced prime because it is at equal distance from previous prime (40247323037) and next prime (40247323049).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40247323043 is a prime.

It is not a weakly prime, because it can be changed into another prime (40247323049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20123661521 + 20123661522.

It is an arithmetic number, because the mean of its divisors is an integer number (20123661522).

Almost surely, 2^40247323043 is an apocalyptic number.

40247323043 is a deficient number, since it is larger than the sum of its proper divisors (1).

40247323043 is an equidigital number, since it uses as much as digits as its factorization.

40247323043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 32.

Adding to 40247323043 its reverse (34032374204), we get a palindrome (74279697247).

The spelling of 40247323043 in words is "forty billion, two hundred forty-seven million, three hundred twenty-three thousand, forty-three".