40030055423 has 2 divisors, whose sum is σ = 40030055424. Its totient is φ = 40030055422.

The previous prime is 40030055311. The next prime is 40030055473. The reversal of 40030055423 is 32455003004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40030055423 - 2²⁸ = 39761619967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40030055392 and 40030055401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40030055473) 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, 20015027711 + 20015027712.

It is an arithmetic number, because the mean of its divisors is an integer number (20015027712).

Almost surely, 2^40030055423 is an apocalyptic number.

40030055423 is a deficient number, since it is larger than the sum of its proper divisors (1).

40030055423 is an equidigital number, since it uses as much as digits as its factorization.

40030055423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 26.

Adding to 40030055423 its reverse (32455003004), we get a palindrome (72485058427).

The spelling of 40030055423 in words is "forty billion, thirty million, fifty-five thousand, four hundred twenty-three".