12553734623 has 2 divisors, whose sum is σ = 12553734624. Its totient is φ = 12553734622.

The previous prime is 12553734619. The next prime is 12553734647. The reversal of 12553734623 is 32643735521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12553734623 - 2² = 12553734619 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12553734653) 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 as a sum of consecutive naturals, namely, 6276867311 + 6276867312.

It is an arithmetic number, because the mean of its divisors is an integer number (6276867312).

Almost surely, 2^12553734623 is an apocalyptic number.

12553734623 is a deficient number, since it is larger than the sum of its proper divisors (1).

12553734623 is an equidigital number, since it uses as much as digits as its factorization.

12553734623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 41.

The spelling of 12553734623 in words is "twelve billion, five hundred fifty-three million, seven hundred thirty-four thousand, six hundred twenty-three".