1123476388 has 6 divisors (see below), whose sum is σ = 1966083686. Its totient is φ = 561738192.

The previous prime is 1123476379. The next prime is 1123476421. The reversal of 1123476388 is 8836743211.

It can be written as a sum of positive squares in only one way, i.e., 600348004 + 523128384 = 24502^2 + 22872^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140434545 + ... + 140434552.

Almost surely, 2^1123476388 is an apocalyptic number.

It is an amenable number.

1123476388 is a deficient number, since it is larger than the sum of its proper divisors (842607298).

1123476388 is a wasteful number, since it uses less digits than its factorization.

1123476388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280869101 (or 280869099 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 1123476388 is about 33518.2993005313. The cubic root of 1123476388 is about 1039.5721822704.

The spelling of 1123476388 in words is "one billion, one hundred twenty-three million, four hundred seventy-six thousand, three hundred eighty-eight".