2340021213403 has 4 divisors (see below), whose sum is σ = 2360729365848. Its totient is φ = 2319313060960.

The previous prime is 2340021213379. The next prime is 2340021213419. The reversal of 2340021213403 is 3043121200432.

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 2340021213403 - 2⁹ = 2340021212891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2340021213493) 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, 10354076053 + ... + 10354076278.

It is an arithmetic number, because the mean of its divisors is an integer number (590182341462).

Almost surely, 2^{2340021213403} is an apocalyptic number.

2340021213403 is a deficient number, since it is larger than the sum of its proper divisors (20708152445).

2340021213403 is a wasteful number, since it uses less digits than its factorization.

2340021213403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20708152444.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 2340021213403 its reverse (3043121200432), we get a palindrome (5383142413835).

The spelling of 2340021213403 in words is "two trillion, three hundred forty billion, twenty-one million, two hundred thirteen thousand, four hundred three".