40423211093 has 2 divisors, whose sum is σ = 40423211094. Its totient is φ = 40423211092.

The previous prime is 40423211009. The next prime is 40423211107. The reversal of 40423211093 is 39011232404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30089065444 + 10334145649 = 173462^2 + 101657^2 .

It is a cyclic number.

It is not a de Polignac number, because 40423211093 - 2¹⁶ = 40423145557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40423211293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20211605546 + 20211605547.

It is an arithmetic number, because the mean of its divisors is an integer number (20211605547).

Almost surely, 2^40423211093 is an apocalyptic number.

It is an amenable number.

40423211093 is a deficient number, since it is larger than the sum of its proper divisors (1).

40423211093 is an equidigital number, since it uses as much as digits as its factorization.

40423211093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 40423211093 its reverse (39011232404), we get a palindrome (79434443497).

The spelling of 40423211093 in words is "forty billion, four hundred twenty-three million, two hundred eleven thousand, ninety-three".