10023465221 has 32 divisors (see below), whose sum is σ = 12726239232. Its totient is φ = 7668380160.

The previous prime is 10023465173. The next prime is 10023465223. The reversal of 10023465221 is 12256432001.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-10023465221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10023465223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 943280 + ... + 953846.

It is an arithmetic number, because the mean of its divisors is an integer number (397694976).

Almost surely, 2^10023465221 is an apocalyptic number.

10023465221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10023465221 is a deficient number, since it is larger than the sum of its proper divisors (2702774011).

10023465221 is a wasteful number, since it uses less digits than its factorization.

10023465221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10809.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 10023465221 its reverse (12256432001), we get a palindrome (22279897222).

The spelling of 10023465221 in words is "ten billion, twenty-three million, four hundred sixty-five thousand, two hundred twenty-one".