1002423023441 has 4 divisors (see below), whose sum is σ = 1145626312512. Its totient is φ = 859219734372.

The previous prime is 1002423023411. The next prime is 1002423023461. The reversal of 1002423023441 is 1443203242001.

1002423023441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1002423023441 - 2⁶ = 1002423023377 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 1002423023441.

It is not an unprimeable number, because it can be changed into a prime (1002423023401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71601644525 + ... + 71601644538.

It is an arithmetic number, because the mean of its divisors is an integer number (286406578128).

Almost surely, 2^{1002423023441} is an apocalyptic number.

It is an amenable number.

1002423023441 is a deficient number, since it is larger than the sum of its proper divisors (143203289071).

1002423023441 is an equidigital number, since it uses as much as digits as its factorization.

1002423023441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143203289070.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1002423023441 its reverse (1443203242001), we get a palindrome (2445626265442).

The spelling of 1002423023441 in words is "one trillion, two billion, four hundred twenty-three million, twenty-three thousand, four hundred forty-one".