223331131212123 has 16 divisors (see below), whose sum is σ = 343953827750016. Its totient is φ = 127390306573440.

The previous prime is 223331131212121. The next prime is 223331131212127. The reversal of 223331131212123 is 321212131133322.

It is a happy number.

It is not a de Polignac number, because 223331131212123 - 2¹ = 223331131212121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (223331131212121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199047353461 + ... + 199047354582.

It is an arithmetic number, because the mean of its divisors is an integer number (21497114234376).

Almost surely, 2^{223331131212123} is an apocalyptic number.

223331131212123 is a deficient number, since it is larger than the sum of its proper divisors (120622696537893).

223331131212123 is a wasteful number, since it uses less digits than its factorization.

223331131212123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398094708074.

The product of its digits is 7776, while the sum is 30.

Adding to 223331131212123 its reverse (321212131133322), we get a palindrome (544543262345445).

The spelling of 223331131212123 in words is "two hundred twenty-three trillion, three hundred thirty-one billion, one hundred thirty-one million, two hundred twelve thousand, one hundred twenty-three".