23011336146 has 64 divisors (see below), whose sum is σ = 48273408000. Its totient is φ = 7303732800.

The previous prime is 23011336133. The next prime is 23011336147. The reversal of 23011336146 is 64163311032.

It is a super-2 number, since 2×23011336146² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23011336147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7908940 + ... + 7911848.

It is an arithmetic number, because the mean of its divisors is an integer number (754272000).

Almost surely, 2^23011336146 is an apocalyptic number.

23011336146 is an abundant number, since it is smaller than the sum of its proper divisors (25262071854).

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

23011336146 is a wasteful number, since it uses less digits than its factorization.

23011336146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3615.

The product of its (nonzero) digits is 7776, while the sum is 30.

Adding to 23011336146 its reverse (64163311032), we get a palindrome (87174647178).

The spelling of 23011336146 in words is "twenty-three billion, eleven million, three hundred thirty-six thousand, one hundred forty-six".