34131256423 has 8 divisors (see below), whose sum is σ = 39193787520. Its totient is φ = 29395340280.

The previous prime is 34131256343. The next prime is 34131256447. The reversal of 34131256423 is 32465213143.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34131256423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34131256823) 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, 81653515 + ... + 81653932.

It is an arithmetic number, because the mean of its divisors is an integer number (4899223440).

Almost surely, 2^34131256423 is an apocalyptic number.

34131256423 is a deficient number, since it is larger than the sum of its proper divisors (5062531097).

34131256423 is a wasteful number, since it uses less digits than its factorization.

34131256423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163307477.

The product of its digits is 51840, while the sum is 34.

Adding to 34131256423 its reverse (32465213143), we get a palindrome (66596469566).

The spelling of 34131256423 in words is "thirty-four billion, one hundred thirty-one million, two hundred fifty-six thousand, four hundred twenty-three".