1243013230 has 16 divisors (see below), whose sum is σ = 2285029440. Its totient is φ = 486626272.

The previous prime is 1243013227. The next prime is 1243013251. The reversal of 1243013230 is 323103421.

It is a junction number, because it is equal to n+sod(n) for n = 1243013198 and 1243013207.

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, 1321885 + ... + 1322824.

It is an arithmetic number, because the mean of its divisors is an integer number (142814340).

Almost surely, 2^1243013230 is an apocalyptic number.

1243013230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1243013230 is a deficient number, since it is larger than the sum of its proper divisors (1042016210).

1243013230 is a wasteful number, since it uses less digits than its factorization.

1243013230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2644763.

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

The square root of 1243013230 is about 35256.3927536553. The cubic root of 1243013230 is about 1075.2065887440.

Adding to 1243013230 its reverse (323103421), we get a palindrome (1566116651).

The spelling of 1243013230 in words is "one billion, two hundred forty-three million, thirteen thousand, two hundred thirty".