40201423373 has 2 divisors, whose sum is σ = 40201423374. Its totient is φ = 40201423372.

The previous prime is 40201423219. The next prime is 40201423393. The reversal of 40201423373 is 37332410204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25624966084 + 14576457289 = 160078^2 + 120733^2 .

It is a cyclic number.

It is not a de Polignac number, because 40201423373 - 2¹² = 40201419277 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40201423393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20100711686 + 20100711687.

It is an arithmetic number, because the mean of its divisors is an integer number (20100711687).

Almost surely, 2^40201423373 is an apocalyptic number.

It is an amenable number.

40201423373 is a deficient number, since it is larger than the sum of its proper divisors (1).

40201423373 is an equidigital number, since it uses as much as digits as its factorization.

40201423373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 29.

Adding to 40201423373 its reverse (37332410204), we get a palindrome (77533833577).

The spelling of 40201423373 in words is "forty billion, two hundred one million, four hundred twenty-three thousand, three hundred seventy-three".