123434543002 has 8 divisors (see below), whose sum is σ = 185234515200. Its totient is φ = 61689704604.

The previous prime is 123434542991. The next prime is 123434543009. The reversal of 123434543002 is 200345434321.

It is a happy number.

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

It is a super-2 number, since 2×123434543002² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123434543009) 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, 13777852 + ... + 13786807.

It is an arithmetic number, because the mean of its divisors is an integer number (23154314400).

Almost surely, 2^123434543002 is an apocalyptic number.

123434543002 is a deficient number, since it is larger than the sum of its proper divisors (61799972198).

123434543002 is a wasteful number, since it uses less digits than its factorization.

123434543002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27566900.

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

Adding to 123434543002 its reverse (200345434321), we get a palindrome (323779977323).

The spelling of 123434543002 in words is "one hundred twenty-three billion, four hundred thirty-four million, five hundred forty-three thousand, two".