223213233123 has 12 divisors (see below), whose sum is σ = 322469947800. Its totient is φ = 148785360576.

The previous prime is 223213233101. The next prime is 223213233127. The reversal of 223213233123 is 321332312322.

223213233123 is a `hidden beast` number, since 2 + 2 + 3 + 21 + 323 + 312 + 3 = 666.

It is not a de Polignac number, because 223213233123 - 2⁶ = 223213233059 is a prime.

It is a super-3 number, since 3×223213233123³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223213233127) 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, 1894773 + ... + 2009126.

It is an arithmetic number, because the mean of its divisors is an integer number (26872495650).

Almost surely, 2^223213233123 is an apocalyptic number.

223213233123 is a deficient number, since it is larger than the sum of its proper divisors (99256714677).

223213233123 is a wasteful number, since it uses less digits than its factorization.

223213233123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3910258 (or 3910255 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

Adding to 223213233123 its reverse (321332312322), we get a palindrome (544545545445).

The spelling of 223213233123 in words is "two hundred twenty-three billion, two hundred thirteen million, two hundred thirty-three thousand, one hundred twenty-three".