123013330381 has 2 divisors, whose sum is σ = 123013330382. Its totient is φ = 123013330380.

The previous prime is 123013330291. The next prime is 123013330393. The reversal of 123013330381 is 183033310321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120472162281 + 2541168100 = 347091^2 + 50410^2 .

It is a cyclic number.

It is not a de Polignac number, because 123013330381 - 2¹⁹ = 123012806093 is a prime.

It is a super-2 number, since 2×123013330381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123013930381) 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, 61506665190 + 61506665191.

It is an arithmetic number, because the mean of its divisors is an integer number (61506665191).

Almost surely, 2^123013330381 is an apocalyptic number.

It is an amenable number.

123013330381 is a deficient number, since it is larger than the sum of its proper divisors (1).

123013330381 is an equidigital number, since it uses as much as digits as its factorization.

123013330381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 123013330381 in words is "one hundred twenty-three billion, thirteen million, three hundred thirty thousand, three hundred eighty-one".