3453923 has 4 divisors (see below), whose sum is σ = 3767928. Its totient is φ = 3139920.

The previous prime is 3453833. The next prime is 3453943. The reversal of 3453923 is 3293543.

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 3453923 - 2¹⁶ = 3388387 is a prime.

It is a d-powerful number, because it can be written as 3¹² + 4⁹ + 5⁵ + 3¹² + 9⁶ + 2³ + 3¹³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3453943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156986 + ... + 157007.

It is an arithmetic number, because the mean of its divisors is an integer number (941982).

Almost surely, 2^3453923 is an apocalyptic number.

3453923 is a deficient number, since it is larger than the sum of its proper divisors (314005).

3453923 is a wasteful number, since it uses less digits than its factorization.

3453923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314004.

The product of its digits is 9720, while the sum is 29.

The square root of 3453923 is about 1858.4732981671. The cubic root of 3453923 is about 151.1602322325.

Adding to 3453923 its product of digits (9720), we get a palindrome (3463643).

The spelling of 3453923 in words is "three million, four hundred fifty-three thousand, nine hundred twenty-three".