1123936644 has 24 divisors (see below), whose sum is σ = 2712951360. Its totient is φ = 361726624.

The previous prime is 1123936637. The next prime is 1123936687. The reversal of 1123936644 is 4466393211.

1123936644 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1123936644³ (a number of 28 digits) contains 333 as substring.

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, 1614504 + ... + 1615199.

It is an arithmetic number, because the mean of its divisors is an integer number (113039640).

Almost surely, 2^1123936644 is an apocalyptic number.

It is an amenable number.

1123936644 is an abundant number, since it is smaller than the sum of its proper divisors (1589014716).

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

1123936644 is a wasteful number, since it uses less digits than its factorization.

1123936644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3229739 (or 3229737 counting only the distinct ones).

The product of its digits is 93312, while the sum is 39.

The square root of 1123936644 is about 33525.1643396419. The cubic root of 1123936644 is about 1039.7141238415.

The spelling of 1123936644 in words is "one billion, one hundred twenty-three million, nine hundred thirty-six thousand, six hundred forty-four".