40234406231 has 2 divisors, whose sum is σ = 40234406232. Its totient is φ = 40234406230.

The previous prime is 40234406153. The next prime is 40234406249. The reversal of 40234406231 is 13260443204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40234406231 - 2¹⁴ = 40234389847 is a prime.

It is a super-2 number, since 2×40234406231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40234406194 and 40234406203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40234406431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20117203115 + 20117203116.

It is an arithmetic number, because the mean of its divisors is an integer number (20117203116).

Almost surely, 2^40234406231 is an apocalyptic number.

40234406231 is a deficient number, since it is larger than the sum of its proper divisors (1).

40234406231 is an equidigital number, since it uses as much as digits as its factorization.

40234406231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 40234406231 its reverse (13260443204), we get a palindrome (53494849435).

The spelling of 40234406231 in words is "forty billion, two hundred thirty-four million, four hundred six thousand, two hundred thirty-one".