2123556521302 has 8 divisors (see below), whose sum is σ = 3201341490000. Its totient is φ = 1056442691304.

The previous prime is 2123556521299. The next prime is 2123556521311. The reversal of 2123556521302 is 2031256553212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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, 2667784177 + ... + 2667784972.

It is an arithmetic number, because the mean of its divisors is an integer number (400167686250).

Almost surely, 2^{2123556521302} is an apocalyptic number.

2123556521302 is a deficient number, since it is larger than the sum of its proper divisors (1077784968698).

2123556521302 is a wasteful number, since it uses less digits than its factorization.

2123556521302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5335569350.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 2123556521302 in words is "two trillion, one hundred twenty-three billion, five hundred fifty-six million, five hundred twenty-one thousand, three hundred two".