34257872423 has 4 divisors (see below), whose sum is σ = 36060918360. Its totient is φ = 32454826488.

The previous prime is 34257872417. The next prime is 34257872447. The reversal of 34257872423 is 32427875243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32427875243 = 419 ⋅77393497.

It is a cyclic number.

It is not a de Polignac number, because 34257872423 - 2⁶ = 34257872359 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 (34257872483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 901522940 + ... + 901522977.

It is an arithmetic number, because the mean of its divisors is an integer number (9015229590).

Almost surely, 2^34257872423 is an apocalyptic number.

34257872423 is a deficient number, since it is larger than the sum of its proper divisors (1803045937).

34257872423 is a wasteful number, since it uses less digits than its factorization.

34257872423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803045936.

The product of its digits is 2257920, while the sum is 47.

The spelling of 34257872423 in words is "thirty-four billion, two hundred fifty-seven million, eight hundred seventy-two thousand, four hundred twenty-three".