11403123234 has 32 divisors (see below), whose sum is σ = 23598976320. Its totient is φ = 3668989632.

The previous prime is 11403123227. The next prime is 11403123253. The reversal of 11403123234 is 43232130411.

It is a happy 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, 935809 + ... + 947915.

It is an arithmetic number, because the mean of its divisors is an integer number (737468010).

Almost surely, 2^11403123234 is an apocalyptic number.

11403123234 is an abundant number, since it is smaller than the sum of its proper divisors (12195853086).

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

11403123234 is a wasteful number, since it uses less digits than its factorization.

11403123234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17554.

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

Adding to 11403123234 its reverse (43232130411), we get a palindrome (54635253645).

The spelling of 11403123234 in words is "eleven billion, four hundred three million, one hundred twenty-three thousand, two hundred thirty-four".