23045434 has 16 divisors (see below), whose sum is σ = 35477640. Its totient is φ = 11223360.

The previous prime is 23045381. The next prime is 23045437. The reversal of 23045434 is 43454032.

It can be written as a sum of positive squares in 4 ways, for example, as 15233409 + 7812025 = 3903^2 + 2795^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23045399 and 23045408.

It is not an unprimeable number, because it can be changed into a prime (23045437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12432 + ... + 14164.

Almost surely, 2^23045434 is an apocalyptic number.

23045434 is a deficient number, since it is larger than the sum of its proper divisors (12432206).

23045434 is a wasteful number, since it uses less digits than its factorization.

23045434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 23045434 is about 4800.5660082953. The cubic root of 23045434 is about 284.5738331542.

Adding to 23045434 its reverse (43454032), we get a palindrome (66499466).

The spelling of 23045434 in words is "twenty-three million, forty-five thousand, four hundred thirty-four".