1340010104523 has 4 divisors (see below), whose sum is σ = 1786680139368. Its totient is φ = 893340069680.

The previous prime is 1340010104519. The next prime is 1340010104527. The reversal of 1340010104523 is 3254010100431.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (1340010104519) and next prime (1340010104527).

It is a cyclic number.

It is not a de Polignac number, because 1340010104523 - 2² = 1340010104519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1340010104493 and 1340010104502.

It is not an unprimeable number, because it can be changed into a prime (1340010104527) 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, 223335017418 + ... + 223335017423.

It is an arithmetic number, because the mean of its divisors is an integer number (446670034842).

Almost surely, 2^{1340010104523} is an apocalyptic number.

1340010104523 is a deficient number, since it is larger than the sum of its proper divisors (446670034845).

1340010104523 is an equidigital number, since it uses as much as digits as its factorization.

1340010104523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446670034844.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 1340010104523 its reverse (3254010100431), we get a palindrome (4594020204954).

The spelling of 1340010104523 in words is "one trillion, three hundred forty billion, ten million, one hundred four thousand, five hundred twenty-three".