340305503043 has 16 divisors (see below), whose sum is σ = 495126095616. Its totient is φ = 206188979040.

The previous prime is 340305503023. The next prime is 340305503047.

340305503043 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 340305503043 - 2⁵ = 340305503011 is a prime.

It is a super-3 number, since 3×340305503043³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 340305503043.

It is not an unprimeable number, because it can be changed into a prime (340305503047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1297671 + ... + 1537712.

It is an arithmetic number, because the mean of its divisors is an integer number (30945380976).

Almost surely, 2^340305503043 is an apocalyptic number.

340305503043 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

340305503043 is a deficient number, since it is larger than the sum of its proper divisors (154820592573).

340305503043 is a wasteful number, since it uses less digits than its factorization.

340305503043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2839034.

The product of its (nonzero) digits is 32400, while the sum is 30.

It can be divided in two parts, 340305 and 503043, that added together give a palindrome (843348).

The spelling of 340305503043 in words is "three hundred forty billion, three hundred five million, five hundred three thousand, forty-three".