13223400242 has 16 divisors (see below), whose sum is σ = 21472722432. Its totient is φ = 6071152080.

The previous prime is 13223400221. The next prime is 13223400247. The reversal of 13223400242 is 24200432231.

It is not an unprimeable number, because it can be changed into a prime (13223400247) 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, 1326428 + ... + 1336359.

It is an arithmetic number, because the mean of its divisors is an integer number (1342045152).

Almost surely, 2^13223400242 is an apocalyptic number.

13223400242 is a deficient number, since it is larger than the sum of its proper divisors (8249322190).

13223400242 is a wasteful number, since it uses less digits than its factorization.

13223400242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2662993.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 13223400242 its reverse (24200432231), we get a palindrome (37423832473).

The spelling of 13223400242 in words is "thirteen billion, two hundred twenty-three million, four hundred thousand, two hundred forty-two".