13223400234 has 32 divisors (see below), whose sum is σ = 28895740416. Its totient is φ = 4000884720.

The previous prime is 13223400221. The next prime is 13223400247. The reversal of 13223400234 is 43200432231.

It is an interprime number because it is at equal distance from previous prime (13223400221) and next prime (13223400247).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112132 + ... + 197535.

It is an arithmetic number, because the mean of its divisors is an integer number (902991888).

Almost surely, 2^13223400234 is an apocalyptic number.

13223400234 is an abundant number, since it is smaller than the sum of its proper divisors (15672340182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13223400234 is a wasteful number, since it uses less digits than its factorization.

13223400234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310330.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 13223400234 its reverse (43200432231), we get a palindrome (56423832465).

The spelling of 13223400234 in words is "thirteen billion, two hundred twenty-three million, four hundred thousand, two hundred thirty-four".