5402001440023 has 2 divisors, whose sum is σ = 5402001440024. Its totient is φ = 5402001440022.

The previous prime is 5402001440009. The next prime is 5402001440041. The reversal of 5402001440023 is 3200441002045.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5402001440023 - 2¹³ = 5402001431831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5402001440023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5402001440623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2701000720011 + 2701000720012.

It is an arithmetic number, because the mean of its divisors is an integer number (2701000720012).

Almost surely, 2^{5402001440023} is an apocalyptic number.

5402001440023 is a deficient number, since it is larger than the sum of its proper divisors (1).

5402001440023 is an equidigital number, since it uses as much as digits as its factorization.

5402001440023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 5402001440023 its reverse (3200441002045), we get a palindrome (8602442442068).

The spelling of 5402001440023 in words is "five trillion, four hundred two billion, one million, four hundred forty thousand, twenty-three".