1234543234 has 8 divisors (see below), whose sum is σ = 1865137680. Its totient is φ = 612830676.

The previous prime is 1234543231. The next prime is 1234543241. The reversal of 1234543234 is 4323454321.

It is a happy number.

1234543234 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1234543196 and 1234543205.

It is not an unprimeable number, because it can be changed into a prime (1234543231) 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, 2220124 + ... + 2220679.

It is an arithmetic number, because the mean of its divisors is an integer number (233142210).

Almost surely, 2^1234543234 is an apocalyptic number.

1234543234 is a deficient number, since it is larger than the sum of its proper divisors (630594446).

1234543234 is a wasteful number, since it uses less digits than its factorization.

1234543234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4440944.

The product of its digits is 34560, while the sum is 31.

The square root of 1234543234 is about 35136.0674236603. The cubic root of 1234543234 is about 1072.7588380616.

Adding to 1234543234 its reverse (4323454321), we get a palindrome (5557997555).

The spelling of 1234543234 in words is "one billion, two hundred thirty-four million, five hundred forty-three thousand, two hundred thirty-four".