223213203123 has 32 divisors (see below), whose sum is σ = 316545408000. Its totient is φ = 139425202176.

The previous prime is 223213203121. The next prime is 223213203127. The reversal of 223213203123 is 321302312322.

It is not a de Polignac number, because 223213203123 - 2¹ = 223213203121 is a prime.

It is a super-3 number, since 3×223213203123³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223213203093 and 223213203102.

It is not an unprimeable number, because it can be changed into a prime (223213203121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10956915 + ... + 10977267.

It is an arithmetic number, because the mean of its divisors is an integer number (9892044000).

Almost surely, 2^223213203123 is an apocalyptic number.

223213203123 is a deficient number, since it is larger than the sum of its proper divisors (93332204877).

223213203123 is a wasteful number, since it uses less digits than its factorization.

223213203123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21331.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 223213203123 its reverse (321302312322), we get a palindrome (544515515445).

The spelling of 223213203123 in words is "two hundred twenty-three billion, two hundred thirteen million, two hundred three thousand, one hundred twenty-three".