23449693 has 4 divisors (see below), whose sum is σ = 23571388. Its totient is φ = 23328000.

The previous prime is 23449651. The next prime is 23449709. The reversal of 23449693 is 39694432.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9108324 + 14341369 = 3018^2 + 3787^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23449693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23449633) 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, 60558 + ... + 60943.

It is an arithmetic number, because the mean of its divisors is an integer number (5892847).

Almost surely, 2^23449693 is an apocalyptic number.

It is an amenable number.

23449693 is a deficient number, since it is larger than the sum of its proper divisors (121695).

23449693 is a wasteful number, since it uses less digits than its factorization.

23449693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121694.

The product of its digits is 139968, while the sum is 40.

The square root of 23449693 is about 4842.4883066457. The cubic root of 23449693 is about 286.2281787043.

It can be divided in two parts, 23449 and 693, that added together give a palindrome (24142).

The spelling of 23449693 in words is "twenty-three million, four hundred forty-nine thousand, six hundred ninety-three".