1123431302 has 16 divisors (see below), whose sum is σ = 1945739040. Its totient is φ = 476506368.

The previous prime is 1123431299. The next prime is 1123431307. The reversal of 1123431302 is 2031343211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123431307) 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, 412277 + ... + 414992.

It is an arithmetic number, because the mean of its divisors is an integer number (121608690).

Almost surely, 2^1123431302 is an apocalyptic number.

1123431302 is a deficient number, since it is larger than the sum of its proper divisors (822307738).

1123431302 is an equidigital number, since it uses as much as digits as its factorization.

1123431302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827375.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1123431302 is about 33517.6267357938. The cubic root of 1123431302 is about 1039.5582757985.

Adding to 1123431302 its reverse (2031343211), we get a palindrome (3154774513).

The spelling of 1123431302 in words is "one billion, one hundred twenty-three million, four hundred thirty-one thousand, three hundred two".