354140836723 has 8 divisors (see below), whose sum is σ = 355804265600. Its totient is φ = 352478081088.

The previous prime is 354140836649. The next prime is 354140836741. The reversal of 354140836723 is 327638041453.

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-354140836723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354140836823) 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, 902143 + ... + 1233751.

It is an arithmetic number, because the mean of its divisors is an integer number (44475533200).

Almost surely, 2^354140836723 is an apocalyptic number.

354140836723 is a deficient number, since it is larger than the sum of its proper divisors (1663428877).

354140836723 is a wasteful number, since it uses less digits than its factorization.

354140836723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336621.

The product of its (nonzero) digits is 1451520, while the sum is 46.

The spelling of 354140836723 in words is "three hundred fifty-four billion, one hundred forty million, eight hundred thirty-six thousand, seven hundred twenty-three".