3420234043 has 4 divisors (see below), whose sum is σ = 3421372968. Its totient is φ = 3419095120.

The previous prime is 3420234031. The next prime is 3420234073. The reversal of 3420234043 is 3404320243.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3420234043 is a prime.

It is a super-2 number, since 2×3420234043² = 23396001817792251698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3420233999 and 3420234017.

It is not an unprimeable number, because it can be changed into a prime (3420234073) 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, 564946 + ... + 570967.

It is an arithmetic number, because the mean of its divisors is an integer number (855343242).

Almost surely, 2^3420234043 is an apocalyptic number.

3420234043 is a deficient number, since it is larger than the sum of its proper divisors (1138925).

3420234043 is a wasteful number, since it uses less digits than its factorization.

3420234043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138924.

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 3420234043 is about 58482.7670600494. The cubic root of 3420234043 is about 1506.6716220164.

Adding to 3420234043 its reverse (3404320243), we get a palindrome (6824554286).

The spelling of 3420234043 in words is "three billion, four hundred twenty million, two hundred thirty-four thousand, forty-three".