12155053723 has 2 divisors, whose sum is σ = 12155053724. Its totient is φ = 12155053722.

The previous prime is 12155053709. The next prime is 12155053769. The reversal of 12155053723 is 32735055121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12155053723 - 2¹³ = 12155045531 is a prime.

It is not a weakly prime, because it can be changed into another prime (12155953723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6077526861 + 6077526862.

It is an arithmetic number, because the mean of its divisors is an integer number (6077526862).

Almost surely, 2^12155053723 is an apocalyptic number.

12155053723 is a deficient number, since it is larger than the sum of its proper divisors (1).

12155053723 is an equidigital number, since it uses as much as digits as its factorization.

12155053723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31500, while the sum is 34.

The spelling of 12155053723 in words is "twelve billion, one hundred fifty-five million, fifty-three thousand, seven hundred twenty-three".