23734145 has 8 divisors (see below), whose sum is σ = 28510656. Its totient is φ = 18967536.

The previous prime is 23734129. The next prime is 23734163. The reversal of 23734145 is 54143732.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23734145 - 2⁴ = 23734129 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4694 + ... + 8336.

It is an arithmetic number, because the mean of its divisors is an integer number (3563832).

Almost surely, 2^23734145 is an apocalyptic number.

It is an amenable number.

23734145 is a deficient number, since it is larger than the sum of its proper divisors (4776511).

23734145 is a wasteful number, since it uses less digits than its factorization.

23734145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4951.

The product of its digits is 10080, while the sum is 29.

The square root of 23734145 is about 4871.7702121508. The cubic root of 23734145 is about 287.3808756639.

Adding to 23734145 its reverse (54143732), we get a palindrome (77877877).

The spelling of 23734145 in words is "twenty-three million, seven hundred thirty-four thousand, one hundred forty-five".