1230143302 has 16 divisors (see below), whose sum is σ = 1931572224. Its totient is φ = 586845000.

The previous prime is 1230143279. The next prime is 1230143359. The reversal of 1230143302 is 2033410321.

It is a self number, because there is not a number n which added to its sum of digits gives 1230143302.

It is a congruent number.

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, 135324 + ... + 144127.

It is an arithmetic number, because the mean of its divisors is an integer number (120723264).

Almost surely, 2^1230143302 is an apocalyptic number.

1230143302 is a deficient number, since it is larger than the sum of its proper divisors (701428922).

1230143302 is a wasteful number, since it uses less digits than its factorization.

1230143302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279555.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1230143302 is about 35073.3987802722. The cubic root of 1230143302 is about 1071.4828777435.

Adding to 1230143302 its reverse (2033410321), we get a palindrome (3263553623).

The spelling of 1230143302 in words is "one billion, two hundred thirty million, one hundred forty-three thousand, three hundred two".