40247323351 has 2 divisors, whose sum is σ = 40247323352. Its totient is φ = 40247323350.

The previous prime is 40247323289. The next prime is 40247323379. The reversal of 40247323351 is 15332374204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40247323351 - 2⁹ = 40247322839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40247326351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20123661675 + 20123661676.

It is an arithmetic number, because the mean of its divisors is an integer number (20123661676).

Almost surely, 2^40247323351 is an apocalyptic number.

40247323351 is a deficient number, since it is larger than the sum of its proper divisors (1).

40247323351 is an equidigital number, since it uses as much as digits as its factorization.

40247323351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 34.

Adding to 40247323351 its reverse (15332374204), we get a palindrome (55579697555).

The spelling of 40247323351 in words is "forty billion, two hundred forty-seven million, three hundred twenty-three thousand, three hundred fifty-one".