240203103421 has 8 divisors (see below), whose sum is σ = 241449569280. Its totient is φ = 238958355792.

The previous prime is 240203103409. The next prime is 240203103467. The reversal of 240203103421 is 124301302042.

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 240203103421 - 2³⁵ = 205843365053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240203103392 and 240203103401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240203103401) 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, 148765 + ... + 708898.

It is an arithmetic number, because the mean of its divisors is an integer number (30181196160).

Almost surely, 2^240203103421 is an apocalyptic number.

It is an amenable number.

240203103421 is a deficient number, since it is larger than the sum of its proper divisors (1246465859).

240203103421 is a wasteful number, since it uses less digits than its factorization.

240203103421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859115.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 240203103421 its reverse (124301302042), we get a palindrome (364504405463).

The spelling of 240203103421 in words is "two hundred forty billion, two hundred three million, one hundred three thousand, four hundred twenty-one".