23431340002 has 16 divisors (see below), whose sum is σ = 40543416000. Its totient is φ = 9948151728.

The previous prime is 23431339993. The next prime is 23431340017. The reversal of 23431340002 is 20004313432.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7819377 + ... + 7822372.

It is an arithmetic number, because the mean of its divisors is an integer number (2533963500).

Almost surely, 2^23431340002 is an apocalyptic number.

23431340002 is a deficient number, since it is larger than the sum of its proper divisors (17112075998).

23431340002 is a wasteful number, since it uses less digits than its factorization.

23431340002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15641865.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 23431340002 its reverse (20004313432), we get a palindrome (43435653434).

The spelling of 23431340002 in words is "twenty-three billion, four hundred thirty-one million, three hundred forty thousand, two".