1011413123143 has 4 divisors (see below), whose sum is σ = 1013354415648. Its totient is φ = 1009471830640.

The previous prime is 1011413123137. The next prime is 1011413123213. The reversal of 1011413123143 is 3413213141101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1011413123143 - 2¹⁷ = 1011412992071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011413123443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 970645471 + ... + 970646512.

It is an arithmetic number, because the mean of its divisors is an integer number (253338603912).

Almost surely, 2^{1011413123143} is an apocalyptic number.

1011413123143 is a deficient number, since it is larger than the sum of its proper divisors (1941292505).

1011413123143 is an equidigital number, since it uses as much as digits as its factorization.

1011413123143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941292504.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 1011413123143 its reverse (3413213141101), we get a palindrome (4424626264244).

The spelling of 1011413123143 in words is "one trillion, eleven billion, four hundred thirteen million, one hundred twenty-three thousand, one hundred forty-three".