23706545 has 16 divisors (see below), whose sum is σ = 29538432. Its totient is φ = 18251520.

The previous prime is 23706541. The next prime is 23706559. The reversal of 23706545 is 54560732.

It is not a de Polignac number, because 23706545 - 2² = 23706541 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23706541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14489 + ... + 16041.

It is an arithmetic number, because the mean of its divisors is an integer number (1846152).

Almost surely, 2^23706545 is an apocalyptic number.

It is an amenable number.

23706545 is a deficient number, since it is larger than the sum of its proper divisors (5831887).

23706545 is a wasteful number, since it uses less digits than its factorization.

23706545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 23706545 is about 4868.9367422467. The cubic root of 23706545 is about 287.2694358136.

The spelling of 23706545 in words is "twenty-three million, seven hundred six thousand, five hundred forty-five".