12553530215323 has 4 divisors (see below), whose sum is σ = 12554377239808. Its totient is φ = 12552683190840.

The previous prime is 12553530215311. The next prime is 12553530215329. The reversal of 12553530215323 is 32351203535521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12553530215323 - 2¹³ = 12553530207131 is a prime.

It is a super-2 number, since 2×12553530215323² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12553530215329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423490011 + ... + 423519652.

It is an arithmetic number, because the mean of its divisors is an integer number (3138594309952).

Almost surely, 2^{12553530215323} is an apocalyptic number.

12553530215323 is a deficient number, since it is larger than the sum of its proper divisors (847024485).

12553530215323 is an equidigital number, since it uses as much as digits as its factorization.

12553530215323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847024484.

The product of its (nonzero) digits is 405000, while the sum is 40.

The spelling of 12553530215323 in words is "twelve trillion, five hundred fifty-three billion, five hundred thirty million, two hundred fifteen thousand, three hundred twenty-three".