1123307030 has 16 divisors (see below), whose sum is σ = 2031539184. Its totient is φ = 447192480.

The previous prime is 1123306993. The next prime is 1123307033. The reversal of 1123307030 is 307033211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1123306993 and 1123307011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123307033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264077 + ... + 268296.

It is an arithmetic number, because the mean of its divisors is an integer number (126971199).

Almost surely, 2^1123307030 is an apocalyptic number.

1123307030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123307030 is a deficient number, since it is larger than the sum of its proper divisors (908232154).

1123307030 is a wasteful number, since it uses less digits than its factorization.

1123307030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532591.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 1123307030 is about 33515.7728539862. The cubic root of 1123307030 is about 1039.5199430140.

The spelling of 1123307030 in words is "one billion, one hundred twenty-three million, three hundred seven thousand, thirty".