1223123311134 has 12 divisors (see below), whose sum is σ = 2650100507496. Its totient is φ = 407707770372.

The previous prime is 1223123311117. The next prime is 1223123311153. The reversal of 1223123311134 is 4311133213221.

1223123311134 is a `hidden beast` number, since 1 + 2 + 2 + 312 + 3 + 311 + 1 + 34 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1223123311098 and 1223123311107.

It is a congruent number.

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, 33975647514 + ... + 33975647549.

It is an arithmetic number, because the mean of its divisors is an integer number (220841708958).

Almost surely, 2^{1223123311134} is an apocalyptic number.

1223123311134 is an abundant number, since it is smaller than the sum of its proper divisors (1426977196362).

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

1223123311134 is a wasteful number, since it uses less digits than its factorization.

1223123311134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67951295071 (or 67951295068 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

Adding to 1223123311134 its reverse (4311133213221), we get a palindrome (5534256524355).

The spelling of 1223123311134 in words is "one trillion, two hundred twenty-three billion, one hundred twenty-three million, three hundred eleven thousand, one hundred thirty-four".