10021532101423 has 4 divisors (see below), whose sum is σ = 10611033989760. Its totient is φ = 9432030213088.

The previous prime is 10021532101417. The next prime is 10021532101459. The reversal of 10021532101423 is 32410123512001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10021532101423 is a prime.

It is a super-2 number, since 2×10021532101423² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021532101723) 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, 294750944143 + ... + 294750944176.

It is an arithmetic number, because the mean of its divisors is an integer number (2652758497440).

Almost surely, 2^{10021532101423} is an apocalyptic number.

10021532101423 is a deficient number, since it is larger than the sum of its proper divisors (589501888337).

10021532101423 is an equidigital number, since it uses as much as digits as its factorization.

10021532101423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589501888336.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 10021532101423 its reverse (32410123512001), we get a palindrome (42431655613424).

The spelling of 10021532101423 in words is "ten trillion, twenty-one billion, five hundred thirty-two million, one hundred one thousand, four hundred twenty-three".