999141058423 has 2 divisors, whose sum is σ = 999141058424. Its totient is φ = 999141058422.

The previous prime is 999141058337. The next prime is 999141058457. The reversal of 999141058423 is 324850141999.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (324850141999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 999141058423 - 2¹³ = 999141050231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999141058523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499570529211 + 499570529212.

It is an arithmetic number, because the mean of its divisors is an integer number (499570529212).

Almost surely, 2^999141058423 is an apocalyptic number.

999141058423 is a deficient number, since it is larger than the sum of its proper divisors (1).

999141058423 is an equidigital number, since it uses as much as digits as its factorization.

999141058423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2799360, while the sum is 55.

The spelling of 999141058423 in words is "nine hundred ninety-nine billion, one hundred forty-one million, fifty-eight thousand, four hundred twenty-three".