23023151 has 4 divisors (see below), whose sum is σ = 24377472. Its totient is φ = 21668832.

The previous prime is 23023127. The next prime is 23023183. The reversal of 23023151 is 15132032.

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

It is a cyclic number.

It is not a de Polignac number, because 23023151 - 2⁶ = 23023087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 1354303 = 23023151 / (2 + 3 + 0 + 2 + 3 + 1 + 5 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23025151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677135 + ... + 677168.

It is an arithmetic number, because the mean of its divisors is an integer number (6094368).

Almost surely, 2^23023151 is an apocalyptic number.

23023151 is a deficient number, since it is larger than the sum of its proper divisors (1354321).

23023151 is a wasteful number, since it uses less digits than its factorization.

23023151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354320.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 23023151 is about 4798.2445748419. The cubic root of 23023151 is about 284.4820839078.

Adding to 23023151 its reverse (15132032), we get a palindrome (38155183).

The spelling of 23023151 in words is "twenty-three million, twenty-three thousand, one hundred fifty-one".