123400223211 has 8 divisors (see below), whose sum is σ = 164542627840. Its totient is φ = 82262317032.

The previous prime is 123400223207. The next prime is 123400223239. The reversal of 123400223211 is 112322004321.

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

It is not a de Polignac number, because 123400223211 - 2² = 123400223207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123400223291) 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, 1060075 + ... + 1170708.

It is an arithmetic number, because the mean of its divisors is an integer number (20567828480).

Almost surely, 2^123400223211 is an apocalyptic number.

123400223211 is a deficient number, since it is larger than the sum of its proper divisors (41142404629).

123400223211 is a wasteful number, since it uses less digits than its factorization.

123400223211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249225.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 123400223211 its reverse (112322004321), we get a palindrome (235722227532).

The spelling of 123400223211 in words is "one hundred twenty-three billion, four hundred million, two hundred twenty-three thousand, two hundred eleven".