10002423421 has 8 divisors (see below), whose sum is σ = 10101970944. Its totient is φ = 9902922960.

The previous prime is 10002423401. The next prime is 10002423439. The reversal of 10002423421 is 12432420001.

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 10002423421 - 2²¹ = 10000326269 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 (10002423401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545220 + ... + 563266.

It is an arithmetic number, because the mean of its divisors is an integer number (1262746368).

Almost surely, 2^10002423421 is an apocalyptic number.

It is an amenable number.

10002423421 is a deficient number, since it is larger than the sum of its proper divisors (99547523).

10002423421 is a wasteful number, since it uses less digits than its factorization.

10002423421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23531.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 10002423421 its reverse (12432420001), we get a palindrome (22434843422).

The spelling of 10002423421 in words is "ten billion, two million, four hundred twenty-three thousand, four hundred twenty-one".