223149375 has 30 divisors (see below), whose sum is σ = 402789816. Its totient is φ = 119010000.

The previous prime is 223149359. The next prime is 223149449. The reversal of 223149375 is 573941322.

It is not a de Polignac number, because 223149375 - 2⁴ = 223149359 is a prime.

It is a super-3 number, since 3×223149375³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 14211 + ... + 25460.

Almost surely, 2^223149375 is an apocalyptic number.

223149375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

223149375 is a deficient number, since it is larger than the sum of its proper divisors (179640441).

223149375 is an equidigital number, since it uses as much as digits as its factorization.

223149375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39697 (or 39679 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 223149375 is about 14938.1851307312. The cubic root of 223149375 is about 606.5480696735.

The spelling of 223149375 in words is "two hundred twenty-three million, one hundred forty-nine thousand, three hundred seventy-five".