3123620016356 has 48 divisors (see below), whose sum is σ = 6436621933056. Its totient is φ = 1298616582144.

The previous prime is 3123620016313. The next prime is 3123620016359. The reversal of 3123620016356 is 6536100263213.

It is not an unprimeable number, because it can be changed into a prime (3123620016359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10353821 + ... + 10651236.

It is an arithmetic number, because the mean of its divisors is an integer number (134096290272).

Almost surely, 2^{3123620016356} is an apocalyptic number.

It is an amenable number.

3123620016356 is an abundant number, since it is smaller than the sum of its proper divisors (3313001916700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3123620016356 is a wasteful number, since it uses less digits than its factorization.

3123620016356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21005228 (or 21005226 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 38.

Adding to 3123620016356 its reverse (6536100263213), we get a palindrome (9659720279569).

The spelling of 3123620016356 in words is "three trillion, one hundred twenty-three billion, six hundred twenty million, sixteen thousand, three hundred fifty-six".