13181402623 has 2 divisors, whose sum is σ = 13181402624. Its totient is φ = 13181402622.

The previous prime is 13181402617. The next prime is 13181402657. The reversal of 13181402623 is 32620418131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13181402623 - 2⁹ = 13181402111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13181409623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6590701311 + 6590701312.

It is an arithmetic number, because the mean of its divisors is an integer number (6590701312).

Almost surely, 2^13181402623 is an apocalyptic number.

13181402623 is a deficient number, since it is larger than the sum of its proper divisors (1).

13181402623 is an equidigital number, since it uses as much as digits as its factorization.

13181402623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 13181402623 in words is "thirteen billion, one hundred eighty-one million, four hundred two thousand, six hundred twenty-three".