23145151 has 8 divisors (see below), whose sum is σ = 23406480. Its totient is φ = 22885632.

The previous prime is 23145119. The next prime is 23145167. The reversal of 23145151 is 15154132.

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 23145151 - 2⁵ = 23145119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23143151) 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, 60880 + ... + 61258.

It is an arithmetic number, because the mean of its divisors is an integer number (2925810).

Almost surely, 2^23145151 is an apocalyptic number.

23145151 is a deficient number, since it is larger than the sum of its proper divisors (261329).

23145151 is a wasteful number, since it uses less digits than its factorization.

23145151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905.

The product of its digits is 600, while the sum is 22.

The square root of 23145151 is about 4810.9407603919. The cubic root of 23145151 is about 284.9836904589.

Adding to 23145151 its reverse (15154132), we get a palindrome (38299283).

The spelling of 23145151 in words is "twenty-three million, one hundred forty-five thousand, one hundred fifty-one".