23201445 has 16 divisors (see below), whose sum is σ = 37242432. Its totient is φ = 12334080.

The previous prime is 23201429. The next prime is 23201473. The reversal of 23201445 is 54410232.

It is not a de Polignac number, because 23201445 - 2⁴ = 23201429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2629 + ... + 7301.

It is an arithmetic number, because the mean of its divisors is an integer number (2327652).

Almost surely, 2^23201445 is an apocalyptic number.

It is an amenable number.

23201445 is a deficient number, since it is larger than the sum of its proper divisors (14040987).

23201445 is a wasteful number, since it uses less digits than its factorization.

23201445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5012.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 23201445 is about 4816.7878300793. The cubic root of 23201445 is about 285.2145506629.

Adding to 23201445 its reverse (54410232), we get a palindrome (77611677).

The spelling of 23201445 in words is "twenty-three million, two hundred one thousand, four hundred forty-five".