6431123012 has 12 divisors (see below), whose sum is σ = 11743790016. Its totient is φ = 3075754440.

The previous prime is 6431123003. The next prime is 6431123029. The reversal of 6431123012 is 2103211346.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34951664 + ... + 34951847.

It is an arithmetic number, because the mean of its divisors is an integer number (978649168).

Almost surely, 2^6431123012 is an apocalyptic number.

It is an amenable number.

6431123012 is a deficient number, since it is larger than the sum of its proper divisors (5312667004).

6431123012 is a wasteful number, since it uses less digits than its factorization.

6431123012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69903538 (or 69903536 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 6431123012 is about 80194.2829134347. The cubic root of 6431123012 is about 1859.6402560900.

Adding to 6431123012 its reverse (2103211346), we get a palindrome (8534334358).

The spelling of 6431123012 in words is "six billion, four hundred thirty-one million, one hundred twenty-three thousand, twelve".