141123623405 has 4 divisors (see below), whose sum is σ = 169348348092. Its totient is φ = 112898898720.

The previous prime is 141123623393. The next prime is 141123623411. The reversal of 141123623405 is 504326321141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 504326321141 = 199603 ⋅2526647.

It can be written as a sum of positive squares in 2 ways, for example, as 62051308201 + 79072315204 = 249101^2 + 281198^2 .

It is a de Polignac number, because none of the positive numbers 2^k-141123623405 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14112362336 + ... + 14112362345.

It is an arithmetic number, because the mean of its divisors is an integer number (42337087023).

Almost surely, 2^141123623405 is an apocalyptic number.

It is an amenable number.

141123623405 is a deficient number, since it is larger than the sum of its proper divisors (28224724687).

141123623405 is an equidigital number, since it uses as much as digits as its factorization.

141123623405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28224724686.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 141123623405 its reverse (504326321141), we get a palindrome (645449944546).

The spelling of 141123623405 in words is "one hundred forty-one billion, one hundred twenty-three million, six hundred twenty-three thousand, four hundred five".