144231623999 has 2 divisors, whose sum is σ = 144231624000. Its totient is φ = 144231623998.

The previous prime is 144231623929. The next prime is 144231624011. The reversal of 144231623999 is 999326132441.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144231623999 is a prime.

It is a super-2 number, since 2×144231623999² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144231623999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144231623929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72115811999 + 72115812000.

It is an arithmetic number, because the mean of its divisors is an integer number (72115812000).

Almost surely, 2^144231623999 is an apocalyptic number.

144231623999 is a deficient number, since it is larger than the sum of its proper divisors (1).

144231623999 is an equidigital number, since it uses as much as digits as its factorization.

144231623999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2519424, while the sum is 53.

The spelling of 144231623999 in words is "one hundred forty-four billion, two hundred thirty-one million, six hundred twenty-three thousand, nine hundred ninety-nine".