34023857855872 has 16 divisors (see below), whose sum is σ = 67781904322500. Its totient is φ = 17011928927872.

The previous prime is 34023857855863. The next prime is 34023857855899. The reversal of 34023857855872 is 27855875832043.

It is a tau number, because it is divible by the number of its divisors (16).

It is a hoax number, since the sum of its digits (67) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 34023857855798 and 34023857855807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132905694622 + ... + 132905694877.

Almost surely, 2^{34023857855872} is an apocalyptic number.

34023857855872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

34023857855872 is a deficient number, since it is larger than the sum of its proper divisors (33758046466628).

34023857855872 is an equidigital number, since it uses as much as digits as its factorization.

34023857855872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265811389513 (or 265811389501 counting only the distinct ones).

The product of its (nonzero) digits is 451584000, while the sum is 67.

The spelling of 34023857855872 in words is "thirty-four trillion, twenty-three billion, eight hundred fifty-seven million, eight hundred fifty-five thousand, eight hundred seventy-two".