23031355 has 8 divisors (see below), whose sum is σ = 27681264. Its totient is φ = 18396000.

The previous prime is 23031329. The next prime is 23031367. The reversal of 23031355 is 55313032.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23031355 - 2⁷ = 23031227 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220 + ... + 6790.

It is an arithmetic number, because the mean of its divisors is an integer number (3460158).

Almost surely, 2^23031355 is an apocalyptic number.

23031355 is a deficient number, since it is larger than the sum of its proper divisors (4649909).

23031355 is an equidigital number, since it uses as much as digits as its factorization.

23031355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7277.

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

The square root of 23031355 is about 4799.0993946781. The cubic root of 23031355 is about 284.5158703901.

Adding to 23031355 its reverse (55313032), we get a palindrome (78344387).

The spelling of 23031355 in words is "twenty-three million, thirty-one thousand, three hundred fifty-five".