23973349 has 4 divisors (see below), whose sum is σ = 25383564. Its totient is φ = 22563136.

The previous prime is 23973347. The next prime is 23973359. The reversal of 23973349 is 94337932.

23973349 is nontrivially palindromic in base 4.

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 11512449 + 12460900 = 3393^2 + 3530^2 .

It is a cyclic number.

It is not a de Polignac number, because 23973349 - 2¹ = 23973347 is a prime.

It is a super-3 number, since 3×23973349³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23973347) 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, 705082 + ... + 705115.

It is an arithmetic number, because the mean of its divisors is an integer number (6345891).

Almost surely, 2^23973349 is an apocalyptic number.

It is an amenable number.

23973349 is a deficient number, since it is larger than the sum of its proper divisors (1410215).

23973349 is a wasteful number, since it uses less digits than its factorization.

23973349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410214.

The product of its digits is 122472, while the sum is 40.

The square root of 23973349 is about 4896.2586737222. The cubic root of 23973349 is about 288.3431039787.

The spelling of 23973349 in words is "twenty-three million, nine hundred seventy-three thousand, three hundred forty-nine".