1340021040023 has 8 divisors (see below), whose sum is σ = 1350215757792. Its totient is φ = 1329860591136.

The previous prime is 1340021040011. The next prime is 1340021040131. The reversal of 1340021040023 is 3200401200431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1340021040023 - 2³² = 1335726072727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1340021039977 and 1340021040004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340021042023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8488715 + ... + 8645132.

It is an arithmetic number, because the mean of its divisors is an integer number (168776969724).

Almost surely, 2^{1340021040023} is an apocalyptic number.

1340021040023 is a deficient number, since it is larger than the sum of its proper divisors (10194717769).

1340021040023 is a wasteful number, since it uses less digits than its factorization.

1340021040023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17134441.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1340021040023 its reverse (3200401200431), we get a palindrome (4540422240454).

The spelling of 1340021040023 in words is "one trillion, three hundred forty billion, twenty-one million, forty thousand, twenty-three".