340003554121 has 8 divisors (see below), whose sum is σ = 423900535104. Its totient is φ = 264937834320.

The previous prime is 340003554113. The next prime is 340003554161. The reversal of 340003554121 is 121455300043.

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 340003554121 - 2³ = 340003554113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340003554121.

It is not an unprimeable number, because it can be changed into a prime (340003554101) 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, 2207815210 + ... + 2207815363.

It is an arithmetic number, because the mean of its divisors is an integer number (52987566888).

Almost surely, 2^340003554121 is an apocalyptic number.

It is an amenable number.

340003554121 is a deficient number, since it is larger than the sum of its proper divisors (83896980983).

340003554121 is a wasteful number, since it uses less digits than its factorization.

340003554121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4415630591.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 340003554121 its reverse (121455300043), we get a palindrome (461458854164).

The spelling of 340003554121 in words is "three hundred forty billion, three million, five hundred fifty-four thousand, one hundred twenty-one".