1023352412521 has 2 divisors, whose sum is σ = 1023352412522. Its totient is φ = 1023352412520.

The previous prime is 1023352412513. The next prime is 1023352412561. The reversal of 1023352412521 is 1252142533201.

It is a happy number.

1023352412521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 869809908496 + 153542504025 = 932636^2 + 391845^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023352412521 - 2³ = 1023352412513 is a prime.

It is not a weakly prime, because it can be changed into another prime (1023352412501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511676206260 + 511676206261.

It is an arithmetic number, because the mean of its divisors is an integer number (511676206261).

Almost surely, 2^{1023352412521} is an apocalyptic number.

It is an amenable number.

1023352412521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023352412521 is an equidigital number, since it uses as much as digits as its factorization.

1023352412521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 1023352412521 its reverse (1252142533201), we get a palindrome (2275494945722).

The spelling of 1023352412521 in words is "one trillion, twenty-three billion, three hundred fifty-two million, four hundred twelve thousand, five hundred twenty-one".