40231420043 has 2 divisors, whose sum is σ = 40231420044. Its totient is φ = 40231420042.

The previous prime is 40231419941. The next prime is 40231420051. The reversal of 40231420043 is 34002413204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40231420043 - 2¹⁸ = 40231157899 is a prime.

It is not a weakly prime, because it can be changed into another prime (40231420843) 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, 20115710021 + 20115710022.

It is an arithmetic number, because the mean of its divisors is an integer number (20115710022).

Almost surely, 2^40231420043 is an apocalyptic number.

40231420043 is a deficient number, since it is larger than the sum of its proper divisors (1).

40231420043 is an equidigital number, since it uses as much as digits as its factorization.

40231420043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 40231420043 its reverse (34002413204), we get a palindrome (74233833247).

The spelling of 40231420043 in words is "forty billion, two hundred thirty-one million, four hundred twenty thousand, forty-three".