1123406382164 has 24 divisors (see below), whose sum is σ = 2148401918208. Its totient is φ = 509754263040.

The previous prime is 1123406382113. The next prime is 1123406382187. The reversal of 1123406382164 is 4612836043211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22099364 + ... + 22150139.

It is an arithmetic number, because the mean of its divisors is an integer number (89516746592).

Almost surely, 2^{1123406382164} is an apocalyptic number.

It is an amenable number.

1123406382164 is a deficient number, since it is larger than the sum of its proper divisors (1024995536044).

1123406382164 is a wasteful number, since it uses less digits than its factorization.

1123406382164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44250095 (or 44250093 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 1123406382164 in words is "one trillion, one hundred twenty-three billion, four hundred six million, three hundred eighty-two thousand, one hundred sixty-four".