12523440034 has 16 divisors (see below), whose sum is σ = 21493651968. Its totient is φ = 5360964192.

The previous prime is 12523440023. The next prime is 12523440203. The reversal of 12523440034 is 43004432521.

It is a happy number.

12523440034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12523439984 and 12523440011.

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 7 ways as a sum of consecutive naturals, for example, 506187 + ... + 530350.

It is an arithmetic number, because the mean of its divisors is an integer number (1343353248).

Almost surely, 2^12523440034 is an apocalyptic number.

12523440034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12523440034 is a deficient number, since it is larger than the sum of its proper divisors (8970211934).

12523440034 is a wasteful number, since it uses less digits than its factorization.

12523440034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037409.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 12523440034 its reverse (43004432521), we get a palindrome (55527872555).

The spelling of 12523440034 in words is "twelve billion, five hundred twenty-three million, four hundred forty thousand, thirty-four".