13234103421 has 64 divisors (see below), whose sum is σ = 23696302080. Its totient is φ = 6361467840.

The previous prime is 13234103347. The next prime is 13234103429. The reversal of 13234103421 is 12430143231.

It is a happy number.

It is not a de Polignac number, because 13234103421 - 2¹⁰ = 13234102397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13234103391 and 13234103400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13234103429) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 153666 + ... + 223788.

It is an arithmetic number, because the mean of its divisors is an integer number (370254720).

Almost surely, 2^13234103421 is an apocalyptic number.

13234103421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13234103421 is a deficient number, since it is larger than the sum of its proper divisors (10462198659).

13234103421 is a wasteful number, since it uses less digits than its factorization.

13234103421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70206.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13234103421 its reverse (12430143231), we get a palindrome (25664246652).

The spelling of 13234103421 in words is "thirteen billion, two hundred thirty-four million, one hundred three thousand, four hundred twenty-one".