2243123331155 has 32 divisors (see below), whose sum is σ = 3079454077440. Its totient is φ = 1536557299200.

The previous prime is 2243123331133. The next prime is 2243123331203. The reversal of 2243123331155 is 5511333213422.

It is a de Polignac number, because none of the positive numbers 2^k-2243123331155 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151034480 + ... + 151049330.

It is an arithmetic number, because the mean of its divisors is an integer number (96232939920).

Almost surely, 2^{2243123331155} is an apocalyptic number.

2243123331155 is a deficient number, since it is larger than the sum of its proper divisors (836330746285).

2243123331155 is a wasteful number, since it uses less digits than its factorization.

2243123331155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19019.

The product of its digits is 64800, while the sum is 35.

Adding to 2243123331155 its reverse (5511333213422), we get a palindrome (7754456544577).

The spelling of 2243123331155 in words is "two trillion, two hundred forty-three billion, one hundred twenty-three million, three hundred thirty-one thousand, one hundred fifty-five".