1123713507 has 32 divisors (see below), whose sum is σ = 1792723968. Its totient is φ = 612158976.

The previous prime is 1123713499. The next prime is 1123713559. The reversal of 1123713507 is 7053173211.

It is not a de Polignac number, because 1123713507 - 2³ = 1123713499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1123713707) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147463 + ... + 154895.

It is an arithmetic number, because the mean of its divisors is an integer number (56022624).

Almost surely, 2^1123713507 is an apocalyptic number.

1123713507 is a deficient number, since it is larger than the sum of its proper divisors (669010461).

1123713507 is a wasteful number, since it uses less digits than its factorization.

1123713507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7779.

The product of its (nonzero) digits is 4410, while the sum is 30.

The square root of 1123713507 is about 33521.8362713023. The cubic root of 1123713507 is about 1039.6453138997.

Adding to 1123713507 its reverse (7053173211), we get a palindrome (8176886718).

The spelling of 1123713507 in words is "one billion, one hundred twenty-three million, seven hundred thirteen thousand, five hundred seven".