141123391 has 2 divisors, whose sum is σ = 141123392. Its totient is φ = 141123390.

The previous prime is 141123379. The next prime is 141123407. The reversal of 141123391 is 193321141.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 141123391 - 2¹⁵ = 141090623 is a prime.

It is a super-2 number, since 2×141123391² = 39831622974677762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141123091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70561695 + 70561696.

It is an arithmetic number, because the mean of its divisors is an integer number (70561696).

Almost surely, 2^141123391 is an apocalyptic number.

141123391 is a deficient number, since it is larger than the sum of its proper divisors (1).

141123391 is an equidigital number, since it uses as much as digits as its factorization.

141123391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 25.

The square root of 141123391 is about 11879.5366492132. The cubic root of 141123391 is about 520.6345692389.

The spelling of 141123391 in words is "one hundred forty-one million, one hundred twenty-three thousand, three hundred ninety-one".