23112431434 has 16 divisors (see below), whose sum is σ = 35280483840. Its totient is φ = 11352539520.

The previous prime is 23112431369. The next prime is 23112431437. The reversal of 23112431434 is 43413421132.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23112431437) by changing a digit.

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, 107002 + ... + 240154.

It is an arithmetic number, because the mean of its divisors is an integer number (2205030240).

Almost surely, 2^23112431434 is an apocalyptic number.

23112431434 is a deficient number, since it is larger than the sum of its proper divisors (12168052406).

23112431434 is a wasteful number, since it uses less digits than its factorization.

23112431434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134685.

The product of its digits is 6912, while the sum is 28.

Adding to 23112431434 its reverse (43413421132), we get a palindrome (66525852566).

The spelling of 23112431434 in words is "twenty-three billion, one hundred twelve million, four hundred thirty-one thousand, four hundred thirty-four".