1423312503145 has 16 divisors (see below), whose sum is σ = 1839383541072. Its totient is φ = 1051046772480.

The previous prime is 1423312503131. The next prime is 1423312503211. The reversal of 1423312503145 is 5413052133241.

It can be written as a sum of positive squares in 8 ways, for example, as 239070146704 + 1184242356441 = 488948^2 + 1088229^2 .

It is not a de Polignac number, because 1423312503145 - 2⁷ = 1423312503017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1423312503145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7167819 + ... + 7363711.

It is an arithmetic number, because the mean of its divisors is an integer number (114961471317).

Almost surely, 2^{1423312503145} is an apocalyptic number.

It is an amenable number.

1423312503145 is a deficient number, since it is larger than the sum of its proper divisors (416071037927).

1423312503145 is a wasteful number, since it uses less digits than its factorization.

1423312503145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307692.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 1423312503145 its reverse (5413052133241), we get a palindrome (6836364636386).

The spelling of 1423312503145 in words is "one trillion, four hundred twenty-three billion, three hundred twelve million, five hundred three thousand, one hundred forty-five".