23001345 has 24 divisors (see below), whose sum is σ = 40799616. Its totient is φ = 11981088.

The previous prime is 23001337. The next prime is 23001347. The reversal of 23001345 is 54310032.

It is not a de Polignac number, because 23001345 - 2³ = 23001337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23001347) 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 23 ways as a sum of consecutive naturals, for example, 4009 + ... + 7878.

It is an arithmetic number, because the mean of its divisors is an integer number (1699984).

Almost surely, 2^23001345 is an apocalyptic number.

It is an amenable number.

23001345 is a deficient number, since it is larger than the sum of its proper divisors (17798271).

23001345 is a wasteful number, since it uses less digits than its factorization.

23001345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11941 (or 11938 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 23001345 is about 4795.9717472062. The cubic root of 23001345 is about 284.3922413569.

Adding to 23001345 its reverse (54310032), we get a palindrome (77311377).

The spelling of 23001345 in words is "twenty-three million, one thousand, three hundred forty-five".