3440403023 has 4 divisors (see below), whose sum is σ = 3559037640. Its totient is φ = 3321768408.

The previous prime is 3440402981. The next prime is 3440403053. The reversal of 3440403023 is 3203040443.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3203040443 = 263 ⋅12178861.

It is a cyclic number.

It is not a de Polignac number, because 3440403023 - 2¹⁰ = 3440401999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3440403023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3440403053) 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, 59317265 + ... + 59317322.

It is an arithmetic number, because the mean of its divisors is an integer number (889759410).

Almost surely, 2^3440403023 is an apocalyptic number.

3440403023 is a deficient number, since it is larger than the sum of its proper divisors (118634617).

3440403023 is a wasteful number, since it uses less digits than its factorization.

3440403023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118634616.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 3440403023 is about 58654.9488363940. The cubic root of 3440403023 is about 1509.6274131533.

Adding to 3440403023 its reverse (3203040443), we get a palindrome (6643443466).

The spelling of 3440403023 in words is "three billion, four hundred forty million, four hundred three thousand, twenty-three".