223815093 has 8 divisors (see below), whose sum is σ = 311395008. Its totient is φ = 142722624.

The previous prime is 223815083. The next prime is 223815107. The reversal of 223815093 is 390518322.

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

It is not a de Polignac number, because 223815093 - 2⁴ = 223815077 is a prime.

It is a super-3 number, since 3×223815093³ (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223815083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1621780 + ... + 1621917.

It is an arithmetic number, because the mean of its divisors is an integer number (38924376).

Almost surely, 2^223815093 is an apocalyptic number.

223815093 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

223815093 is a deficient number, since it is larger than the sum of its proper divisors (87579915).

223815093 is a wasteful number, since it uses less digits than its factorization.

223815093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3243723.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 223815093 is about 14960.4509624543. The cubic root of 223815093 is about 607.1506392781.

The spelling of 223815093 in words is "two hundred twenty-three million, eight hundred fifteen thousand, ninety-three".