10321023421 has 8 divisors (see below), whose sum is σ = 11095390080. Its totient is φ = 9569772288.

The previous prime is 10321023407. The next prime is 10321023431. The reversal of 10321023421 is 12432012301.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10321023421 - 2⁵ = 10321023389 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 (10321023431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5777956 + ... + 5779741.

It is an arithmetic number, because the mean of its divisors is an integer number (1386923760).

Almost surely, 2^10321023421 is an apocalyptic number.

It is an amenable number.

10321023421 is a deficient number, since it is larger than the sum of its proper divisors (774366659).

10321023421 is a wasteful number, since it uses less digits than its factorization.

10321023421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11557763.

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

Adding to 10321023421 its reverse (12432012301), we get a palindrome (22753035722).

The spelling of 10321023421 in words is "ten billion, three hundred twenty-one million, twenty-three thousand, four hundred twenty-one".