23306145 has 8 divisors (see below), whose sum is σ = 37289856. Its totient is φ = 12429936.

The previous prime is 23306131. The next prime is 23306149. The reversal of 23306145 is 54160332.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23306145 - 2⁸ = 23305889 is a prime.

It is a super-2 number, since 2×23306145² = 1086352789522050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23306149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 776857 + ... + 776886.

It is an arithmetic number, because the mean of its divisors is an integer number (4661232).

Almost surely, 2^23306145 is an apocalyptic number.

It is an amenable number.

23306145 is a deficient number, since it is larger than the sum of its proper divisors (13983711).

23306145 is a wasteful number, since it uses less digits than its factorization.

23306145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553751.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 23306145 is about 4827.6438352472. The cubic root of 23306145 is about 285.6429314076.

Adding to 23306145 its reverse (54160332), we get a palindrome (77466477).

The spelling of 23306145 in words is "twenty-three million, three hundred six thousand, one hundred forty-five".