23155303 has 4 divisors (see below), whose sum is σ = 23781160. Its totient is φ = 22529448.

The previous prime is 23155289. The next prime is 23155313. The reversal of 23155303 is 30355132.

It is a happy number.

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

It is not a de Polignac number, because 23155303 - 2⁵ = 23155271 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 (23155313) 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, 312873 + ... + 312946.

It is an arithmetic number, because the mean of its divisors is an integer number (5945290).

Almost surely, 2^23155303 is an apocalyptic number.

23155303 is a deficient number, since it is larger than the sum of its proper divisors (625857).

23155303 is an equidigital number, since it uses as much as digits as its factorization.

23155303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625856.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 23155303 is about 4811.9957398152. The cubic root of 23155303 is about 285.0253511870.

The spelling of 23155303 in words is "twenty-three million, one hundred fifty-five thousand, three hundred three".