23034145 has 4 divisors (see below), whose sum is σ = 27640980. Its totient is φ = 18427312.

The previous prime is 23034127. The next prime is 23034181. The reversal of 23034145 is 54143032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15586704 + 7447441 = 3948^2 + 2729^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23034145 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2303410 + ... + 2303419.

It is an arithmetic number, because the mean of its divisors is an integer number (6910245).

Almost surely, 2^23034145 is an apocalyptic number.

It is an amenable number.

23034145 is a deficient number, since it is larger than the sum of its proper divisors (4606835).

23034145 is an equidigital number, since it uses as much as digits as its factorization.

23034145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4606834.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 23034145 is about 4799.3900654146. The cubic root of 23034145 is about 284.5273586015.

Adding to 23034145 its reverse (54143032), we get a palindrome (77177177).

The spelling of 23034145 in words is "twenty-three million, thirty-four thousand, one hundred forty-five".