1230142303 has 4 divisors (see below), whose sum is σ = 1324768648. Its totient is φ = 1135515960.

The previous prime is 1230142301. The next prime is 1230142307. The reversal of 1230142303 is 3032410321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3032410321 = 23 ⋅131843927.

It is a cyclic number.

It is not a de Polignac number, because 1230142303 - 2¹ = 1230142301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230142301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47313153 + ... + 47313178.

It is an arithmetic number, because the mean of its divisors is an integer number (331192162).

Almost surely, 2^1230142303 is an apocalyptic number.

1230142303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1230142303 is a deficient number, since it is larger than the sum of its proper divisors (94626345).

1230142303 is an equidigital number, since it uses as much as digits as its factorization.

1230142303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94626344.

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

The square root of 1230142303 is about 35073.3845387068. The cubic root of 1230142303 is about 1071.4825876928.

Adding to 1230142303 its reverse (3032410321), we get a palindrome (4262552624).

The spelling of 1230142303 in words is "one billion, two hundred thirty million, one hundred forty-two thousand, three hundred three".