223115513 has 12 divisors (see below), whose sum is σ = 232323840. Its totient is φ = 214233552.

The previous prime is 223115509. The next prime is 223115549. The reversal of 223115513 is 315511322.

It is a happy number.

It is not a de Polignac number, because 223115513 - 2² = 223115509 is a prime.

It is a super-3 number, since 3×223115513³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223115593) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107120 + ... + 109182.

It is an arithmetic number, because the mean of its divisors is an integer number (19360320).

Almost surely, 2^223115513 is an apocalyptic number.

It is an amenable number.

223115513 is a deficient number, since it is larger than the sum of its proper divisors (9208327).

223115513 is an equidigital number, since it uses as much as digits as its factorization.

223115513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216 (or 2179 counting only the distinct ones).

The product of its digits is 900, while the sum is 23.

The square root of 223115513 is about 14937.0516836490. The cubic root of 223115513 is about 606.5173877297.

Adding to 223115513 its reverse (315511322), we get a palindrome (538626835).

The spelling of 223115513 in words is "two hundred twenty-three million, one hundred fifteen thousand, five hundred thirteen".