3440430123 has 16 divisors (see below), whose sum is σ = 4953586176. Its totient is φ = 2111410080.

The previous prime is 3440430121. The next prime is 3440430157. The reversal of 3440430123 is 3210340443.

It is not a de Polignac number, because 3440430123 - 2¹ = 3440430121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3440430093 and 3440430102.

It is not an unprimeable number, because it can be changed into a prime (3440430121) 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, 105873 + ... + 134498.

It is an arithmetic number, because the mean of its divisors is an integer number (309599136).

Almost surely, 2^3440430123 is an apocalyptic number.

3440430123 is a deficient number, since it is larger than the sum of its proper divisors (1513156053).

3440430123 is a wasteful number, since it uses less digits than its factorization.

3440430123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240754.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 3440430123 is about 58655.1798479896. The cubic root of 3440430123 is about 1509.6313769133.

Adding to 3440430123 its reverse (3210340443), we get a palindrome (6650770566).

The spelling of 3440430123 in words is "three billion, four hundred forty million, four hundred thirty thousand, one hundred twenty-three".