3123651340857 has 16 divisors (see below), whose sum is σ = 4418324978112. Its totient is φ = 1956176202240.

The previous prime is 3123651340847. The next prime is 3123651340883. The reversal of 3123651340857 is 7580431563213.

It is not a de Polignac number, because 3123651340857 - 2¹² = 3123651336761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3123651340847) 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 15 ways as a sum of consecutive naturals, for example, 58752763 + ... + 58805904.

It is an arithmetic number, because the mean of its divisors is an integer number (276145311132).

Almost surely, 2^{3123651340857} is an apocalyptic number.

It is an amenable number.

3123651340857 is a deficient number, since it is larger than the sum of its proper divisors (1294673637255).

3123651340857 is a wasteful number, since it uses less digits than its factorization.

3123651340857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117559208.

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 3123651340857 in words is "three trillion, one hundred twenty-three billion, six hundred fifty-one million, three hundred forty thousand, eight hundred fifty-seven".