1040402411023 has 2 divisors, whose sum is σ = 1040402411024. Its totient is φ = 1040402411022.

The previous prime is 1040402411011. The next prime is 1040402411029. The reversal of 1040402411023 is 3201142040401.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1040402411023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1040402410985 and 1040402411003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040402411029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520201205511 + 520201205512.

It is an arithmetic number, because the mean of its divisors is an integer number (520201205512).

Almost surely, 2^{1040402411023} is an apocalyptic number.

1040402411023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040402411023 is an equidigital number, since it uses as much as digits as its factorization.

1040402411023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1040402411023 its reverse (3201142040401), we get a palindrome (4241544451424).

The spelling of 1040402411023 in words is "one trillion, forty billion, four hundred two million, four hundred eleven thousand, twenty-three".