1023240113021 has 8 divisors (see below), whose sum is σ = 1169455387584. Its totient is φ = 877034367360.

The previous prime is 1023240113003. The next prime is 1023240113059. The reversal of 1023240113021 is 1203110423201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1023240113021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1023240112984 and 1023240113002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023240113081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2150615 + ... + 2582948.

It is an arithmetic number, because the mean of its divisors is an integer number (146181923448).

Almost surely, 2^{1023240113021} is an apocalyptic number.

It is an amenable number.

1023240113021 is a deficient number, since it is larger than the sum of its proper divisors (146215274563).

1023240113021 is an equidigital number, since it uses as much as digits as its factorization.

1023240113021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4764451.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1023240113021 its reverse (1203110423201), we get a palindrome (2226350536222).

The spelling of 1023240113021 in words is "one trillion, twenty-three billion, two hundred forty million, one hundred thirteen thousand, twenty-one".