23453434 has 4 divisors (see below), whose sum is σ = 35180154. Its totient is φ = 11726716.

The previous prime is 23453411. The next prime is 23453461. The reversal of 23453434 is 43435432.

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

It can be written as a sum of positive squares in only one way, i.e., 23011209 + 442225 = 4797^2 + 665^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5863357 + ... + 5863360.

Almost surely, 2^23453434 is an apocalyptic number.

23453434 is a deficient number, since it is larger than the sum of its proper divisors (11726720).

23453434 is a wasteful number, since it uses less digits than its factorization.

23453434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11726719.

The product of its digits is 17280, while the sum is 28.

The square root of 23453434 is about 4842.8745595978. The cubic root of 23453434 is about 286.2433988422.

Adding to 23453434 its reverse (43435432), we get a palindrome (66888866).

The spelling of 23453434 in words is "twenty-three million, four hundred fifty-three thousand, four hundred thirty-four".