23042153 has 4 divisors (see below), whose sum is σ = 23836740. Its totient is φ = 22247568.

The previous prime is 23042141. The next prime is 23042161. The reversal of 23042153 is 35124032.

It is a happy number.

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 19386409 + 3655744 = 4403^2 + 1912^2 .

It is a cyclic number.

It is not a de Polignac number, because 23042153 - 2⁴ = 23042137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23042183) 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, 397250 + ... + 397307.

It is an arithmetic number, because the mean of its divisors is an integer number (5959185).

Almost surely, 2^23042153 is an apocalyptic number.

It is an amenable number.

23042153 is a deficient number, since it is larger than the sum of its proper divisors (794587).

23042153 is an equidigital number, since it uses as much as digits as its factorization.

23042153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794586.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 23042153 is about 4800.2242655943. The cubic root of 23042153 is about 284.5603274990.

Adding to 23042153 its reverse (35124032), we get a palindrome (58166185).

The spelling of 23042153 in words is "twenty-three million, forty-two thousand, one hundred fifty-three".