23434431042 has 16 divisors (see below), whose sum is σ = 51129667872. Its totient is φ = 7101342720.

The previous prime is 23434431029. The next prime is 23434431179. The reversal of 23434431042 is 24013443432.

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, 177533503 + ... + 177533634.

It is an arithmetic number, because the mean of its divisors is an integer number (3195604242).

Almost surely, 2^23434431042 is an apocalyptic number.

23434431042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23434431042 is an abundant number, since it is smaller than the sum of its proper divisors (27695236830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23434431042 is a wasteful number, since it uses less digits than its factorization.

23434431042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355067153.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 23434431042 its reverse (24013443432), we get a palindrome (47447874474).

The spelling of 23434431042 in words is "twenty-three billion, four hundred thirty-four million, four hundred thirty-one thousand, forty-two".