223123104 has 36 divisors (see below), whose sum is σ = 634507146. Its totient is φ = 74374272.

The previous prime is 223123081. The next prime is 223123127. The reversal of 223123104 is 401321322.

It is an interprime number because it is at equal distance from previous prime (223123081) and next prime (223123127).

It can be written as a sum of positive squares in only one way, i.e., 216090000 + 7033104 = 14700^2 + 2652^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×223123104³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 387079 + ... + 387654.

Almost surely, 2^223123104 is an apocalyptic number.

223123104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

223123104 is an abundant number, since it is smaller than the sum of its proper divisors (411384042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223123104 is a wasteful number, since it uses less digits than its factorization.

223123104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774749 (or 774738 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 223123104 is about 14937.3057811642. The cubic root of 223123104 is about 606.5242661119.

Adding to 223123104 its reverse (401321322), we get a palindrome (624444426).

The spelling of 223123104 in words is "two hundred twenty-three million, one hundred twenty-three thousand, one hundred four".