23235205512 has 32 divisors (see below), whose sum is σ = 59184017280. Its totient is φ = 7598934720.

The previous prime is 23235205453. The next prime is 23235205519. The reversal of 23235205512 is 21550253232.

It is a super-3 number, since 3×23235205512³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23235205512.

It is not an unprimeable number, because it can be changed into a prime (23235205519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9132064 + ... + 9134607.

It is an arithmetic number, because the mean of its divisors is an integer number (1849500540).

Almost surely, 2^23235205512 is an apocalyptic number.

It is an amenable number.

23235205512 is an abundant number, since it is smaller than the sum of its proper divisors (35948811768).

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

23235205512 is a wasteful number, since it uses less digits than its factorization.

23235205512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18266733 (or 18266729 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 23235205512 its reverse (21550253232), we get a palindrome (44785458744).

The spelling of 23235205512 in words is "twenty-three billion, two hundred thirty-five million, two hundred five thousand, five hundred twelve".