2003240023421 has 8 divisors (see below), whose sum is σ = 2465526182784. Its totient is φ = 1584981117360.

The previous prime is 2003240023399. The next prime is 2003240023469. The reversal of 2003240023421 is 1243200423002.

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 2003240023421 - 2¹⁴ = 2003240007037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003240023471) 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, 11006813225 + ... + 11006813406.

It is an arithmetic number, because the mean of its divisors is an integer number (308190772848).

Almost surely, 2^{2003240023421} is an apocalyptic number.

It is an amenable number.

2003240023421 is a deficient number, since it is larger than the sum of its proper divisors (462286159363).

2003240023421 is a wasteful number, since it uses less digits than its factorization.

2003240023421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22013626651.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 2003240023421 its reverse (1243200423002), we get a palindrome (3246440446423).

The spelling of 2003240023421 in words is "two trillion, three billion, two hundred forty million, twenty-three thousand, four hundred twenty-one".