340343012403 has 12 divisors (see below), whose sum is σ = 503596978248. Its totient is φ = 221361308640.

The previous prime is 340343012377. The next prime is 340343012407. The reversal of 340343012403 is 304210343043.

It is not a de Polignac number, because 340343012403 - 2¹² = 340343008307 is a prime.

It is a super-2 number, since 2×340343012403² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (340343012407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 461169025 + ... + 461169762.

It is an arithmetic number, because the mean of its divisors is an integer number (41966414854).

Almost surely, 2^340343012403 is an apocalyptic number.

340343012403 is a deficient number, since it is larger than the sum of its proper divisors (163253965845).

340343012403 is a wasteful number, since it uses less digits than its factorization.

340343012403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922338834 (or 922338831 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 340343012403 its reverse (304210343043), we get a palindrome (644553355446).

The spelling of 340343012403 in words is "three hundred forty billion, three hundred forty-three million, twelve thousand, four hundred three".