10342023521 has 4 divisors (see below), whose sum is σ = 10342631700. Its totient is φ = 10341415344.

The previous prime is 10342023487. The next prime is 10342023539. The reversal of 10342023521 is 12532024301.

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 533101921 + 9808921600 = 23089^2 + 99040^2 .

It is a cyclic number.

It is not a de Polignac number, because 10342023521 - 2¹⁰ = 10342022497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10342023541) 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, 277826 + ... + 312843.

It is an arithmetic number, because the mean of its divisors is an integer number (2585657925).

Almost surely, 2^10342023521 is an apocalyptic number.

It is an amenable number.

10342023521 is a deficient number, since it is larger than the sum of its proper divisors (608179).

10342023521 is an equidigital number, since it uses as much as digits as its factorization.

10342023521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608178.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 10342023521 its reverse (12532024301), we get a palindrome (22874047822).

The spelling of 10342023521 in words is "ten billion, three hundred forty-two million, twenty-three thousand, five hundred twenty-one".