12343421402 has 16 divisors (see below), whose sum is σ = 20988814560. Its totient is φ = 5397123312.

The previous prime is 12343421347. The next prime is 12343421411. The reversal of 12343421402 is 20412434321.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12492848 + ... + 12493835.

It is an arithmetic number, because the mean of its divisors is an integer number (1311800910).

Almost surely, 2^12343421402 is an apocalyptic number.

12343421402 is a deficient number, since it is larger than the sum of its proper divisors (8645393158).

12343421402 is a wasteful number, since it uses less digits than its factorization.

12343421402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24986717.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 12343421402 its reverse (20412434321), we get a palindrome (32755855723).

The spelling of 12343421402 in words is "twelve billion, three hundred forty-three million, four hundred twenty-one thousand, four hundred two".