1023310424021 has 4 divisors (see below), whose sum is σ = 1023504495372. Its totient is φ = 1023116352672.

The previous prime is 1023310423939. The next prime is 1023310424047. The reversal of 1023310424021 is 1204240133201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 619189576996 + 404120847025 = 786886^2 + 635705^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023310424021 - 2¹⁸ = 1023310161877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023300424021) 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, 97027766 + ... + 97038311.

It is an arithmetic number, because the mean of its divisors is an integer number (255876123843).

Almost surely, 2^{1023310424021} is an apocalyptic number.

It is an amenable number.

1023310424021 is a deficient number, since it is larger than the sum of its proper divisors (194071351).

1023310424021 is an equidigital number, since it uses as much as digits as its factorization.

1023310424021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194071350.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1023310424021 its reverse (1204240133201), we get a palindrome (2227550557222).

The spelling of 1023310424021 in words is "one trillion, twenty-three billion, three hundred ten million, four hundred twenty-four thousand, twenty-one".