10014123421 has 2 divisors, whose sum is σ = 10014123422. Its totient is φ = 10014123420.

The previous prime is 10014123407. The next prime is 10014123467. The reversal of 10014123421 is 12432141001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10002800196 + 11323225 = 100014^2 + 3365^2 .

It is a cyclic number.

It is not a de Polignac number, because 10014123421 - 2⁷ = 10014123293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10014123401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5007061710 + 5007061711.

It is an arithmetic number, because the mean of its divisors is an integer number (5007061711).

Almost surely, 2^10014123421 is an apocalyptic number.

It is an amenable number.

10014123421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10014123421 is an equidigital number, since it uses as much as digits as its factorization.

10014123421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 10014123421 its reverse (12432141001), we get a palindrome (22446264422).

The spelling of 10014123421 in words is "ten billion, fourteen million, one hundred twenty-three thousand, four hundred twenty-one".