10013223421 has 6 divisors (see below), whose sum is σ = 10567973022. Its totient is φ = 9486211320.

The previous prime is 10013223391. The next prime is 10013223427. The reversal of 10013223421 is 12432231001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6831022500 + 3182200921 = 82650^2 + 56411^2 .

It is not a de Polignac number, because 10013223421 - 2²³ = 10004834813 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10013223427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13868370 + ... + 13869091.

It is an arithmetic number, because the mean of its divisors is an integer number (1761328837).

Almost surely, 2^10013223421 is an apocalyptic number.

It is an amenable number.

10013223421 is a deficient number, since it is larger than the sum of its proper divisors (554749601).

10013223421 is an equidigital number, since it uses as much as digits as its factorization.

10013223421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27737499 (or 27737480 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10013223421 its reverse (12432231001), we get a palindrome (22445454422).

The spelling of 10013223421 in words is "ten billion, thirteen million, two hundred twenty-three thousand, four hundred twenty-one".