10033423421 has 4 divisors (see below), whose sum is σ = 11466769632. Its totient is φ = 8600077212.

The previous prime is 10033423403. The next prime is 10033423429. The reversal of 10033423421 is 12432433001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10033423421 - 2²² = 10029229117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10033423429) 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, 716673095 + ... + 716673108.

It is an arithmetic number, because the mean of its divisors is an integer number (2866692408).

Almost surely, 2^10033423421 is an apocalyptic number.

It is an amenable number.

10033423421 is a deficient number, since it is larger than the sum of its proper divisors (1433346211).

10033423421 is an equidigital number, since it uses as much as digits as its factorization.

10033423421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433346210.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 10033423421 its reverse (12432433001), we get a palindrome (22465856422).

The spelling of 10033423421 in words is "ten billion, thirty-three million, four hundred twenty-three thousand, four hundred twenty-one".