1234013243 has 8 divisors (see below), whose sum is σ = 1257413328. Its totient is φ = 1210788864.

The previous prime is 1234013219. The next prime is 1234013251. The reversal of 1234013243 is 3423104321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1234013243 - 2²⁸ = 965577787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1234018243) 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, 29705 + ... + 57882.

It is an arithmetic number, because the mean of its divisors is an integer number (157176666).

Almost surely, 2^1234013243 is an apocalyptic number.

1234013243 is a deficient number, since it is larger than the sum of its proper divisors (23400085).

1234013243 is an equidigital number, since it uses as much as digits as its factorization.

1234013243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87853.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1234013243 is about 35128.5246345473. The cubic root of 1234013243 is about 1072.6053038385.

Adding to 1234013243 its reverse (3423104321), we get a palindrome (4657117564).

The spelling of 1234013243 in words is "one billion, two hundred thirty-four million, thirteen thousand, two hundred forty-three".