123431432002 has 16 divisors (see below), whose sum is σ = 196182417600. Its totient is φ = 58080315600.

The previous prime is 123431431961. The next prime is 123431432027. The reversal of 123431432002 is 200234134321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10749877 + ... + 10761352.

It is an arithmetic number, because the mean of its divisors is an integer number (12261401100).

Almost surely, 2^123431432002 is an apocalyptic number.

123431432002 is a deficient number, since it is larger than the sum of its proper divisors (72750985598).

123431432002 is a wasteful number, since it uses less digits than its factorization.

123431432002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21511401.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 123431432002 its reverse (200234134321), we get a palindrome (323665566323).

The spelling of 123431432002 in words is "one hundred twenty-three billion, four hundred thirty-one million, four hundred thirty-two thousand, two".