3440111243 has 4 divisors (see below), whose sum is σ = 3441346608. Its totient is φ = 3438875880.

The previous prime is 3440111239. The next prime is 3440111263. The reversal of 3440111243 is 3421110443.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3440111243 - 2² = 3440111239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3440111263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613496 + ... + 619077.

It is an arithmetic number, because the mean of its divisors is an integer number (860336652).

Almost surely, 2^3440111243 is an apocalyptic number.

3440111243 is a deficient number, since it is larger than the sum of its proper divisors (1235365).

3440111243 is a wasteful number, since it uses less digits than its factorization.

3440111243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235364.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 3440111243 is about 58652.4615254978. The cubic root of 3440111243 is about 1509.5847348647.

Adding to 3440111243 its reverse (3421110443), we get a palindrome (6861221686).

The spelling of 3440111243 in words is "three billion, four hundred forty million, one hundred eleven thousand, two hundred forty-three".