1240041450523 has 2 divisors, whose sum is σ = 1240041450524. Its totient is φ = 1240041450522.

The previous prime is 1240041450499. The next prime is 1240041450541. The reversal of 1240041450523 is 3250541400421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1240041450523 - 2⁵ = 1240041450491 is a prime.

It is not a weakly prime, because it can be changed into another prime (1240041420523) 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, 620020725261 + 620020725262.

It is an arithmetic number, because the mean of its divisors is an integer number (620020725262).

Almost surely, 2^{1240041450523} is an apocalyptic number.

1240041450523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240041450523 is an equidigital number, since it uses as much as digits as its factorization.

1240041450523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 1240041450523 its reverse (3250541400421), we get a palindrome (4490582850944).

The spelling of 1240041450523 in words is "one trillion, two hundred forty billion, forty-one million, four hundred fifty thousand, five hundred twenty-three".