1371506123203 has 2 divisors, whose sum is σ = 1371506123204. Its totient is φ = 1371506123202.

The previous prime is 1371506123173. The next prime is 1371506123213. The reversal of 1371506123203 is 3023216051731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1371506123203 - 2⁹ = 1371506122691 is a prime.

It is a super-2 number, since 2×1371506123203² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1371506123213) 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, 685753061601 + 685753061602.

It is an arithmetic number, because the mean of its divisors is an integer number (685753061602).

Almost surely, 2^{1371506123203} is an apocalyptic number.

1371506123203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1371506123203 is an equidigital number, since it uses as much as digits as its factorization.

1371506123203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 34.

The spelling of 1371506123203 in words is "one trillion, three hundred seventy-one billion, five hundred six million, one hundred twenty-three thousand, two hundred three".