11402340234 has 48 divisors (see below), whose sum is σ = 23835995040. Its totient is φ = 3635876160.

The previous prime is 11402340233. The next prime is 11402340281. The reversal of 11402340234 is 43204320411.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11402340233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 539649 + ... + 560379.

It is an arithmetic number, because the mean of its divisors is an integer number (496583230).

Almost surely, 2^11402340234 is an apocalyptic number.

11402340234 is an abundant number, since it is smaller than the sum of its proper divisors (12433654806).

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

11402340234 is a wasteful number, since it uses less digits than its factorization.

11402340234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20903 (or 20874 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 11402340234 its reverse (43204320411), we get a palindrome (54606660645).

The spelling of 11402340234 in words is "eleven billion, four hundred two million, three hundred forty thousand, two hundred thirty-four".