4156431318023 has 2 divisors, whose sum is σ = 4156431318024. Its totient is φ = 4156431318022.

The previous prime is 4156431317981. The next prime is 4156431318029. The reversal of 4156431318023 is 3208131346514.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4156431318023 - 2¹² = 4156431313927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4156431318029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2078215659011 + 2078215659012.

It is an arithmetic number, because the mean of its divisors is an integer number (2078215659012).

Almost surely, 2^{4156431318023} is an apocalyptic number.

4156431318023 is a deficient number, since it is larger than the sum of its proper divisors (1).

4156431318023 is an equidigital number, since it uses as much as digits as its factorization.

4156431318023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 4156431318023 in words is "four trillion, one hundred fifty-six billion, four hundred thirty-one million, three hundred eighteen thousand, twenty-three".