11523040230 has 192 divisors, whose sum is σ = 30680052480. Its totient is φ = 2767984128.

The previous prime is 11523040229. The next prime is 11523040241. The reversal of 11523040230 is 3204032511.

It is a super-2 number, since 2×11523040230² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11523040197 and 11523040206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 58492492 + ... + 58492688.

It is an arithmetic number, because the mean of its divisors is an integer number (159791940).

Almost surely, 2^11523040230 is an apocalyptic number.

11523040230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11523040230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15340026240).

11523040230 is an abundant number, since it is smaller than the sum of its proper divisors (19157012250).

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

11523040230 is a wasteful number, since it uses less digits than its factorization.

11523040230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 11523040230 its reverse (3204032511), we get a palindrome (14727072741).

The spelling of 11523040230 in words is "eleven billion, five hundred twenty-three million, forty thousand, two hundred thirty".