23205333140 has 48 divisors (see below), whose sum is σ = 53210062080. Its totient is φ = 8430564480.

The previous prime is 23205333113. The next prime is 23205333143. The reversal of 23205333140 is 4133350232.

It is a happy number.

It is a super-2 number, since 2×23205333140² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23205333143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194846 + ... + 290474.

It is an arithmetic number, because the mean of its divisors is an integer number (1108542960).

Almost surely, 2^23205333140 is an apocalyptic number.

23205333140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23205333140 is an abundant number, since it is smaller than the sum of its proper divisors (30004728940).

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

23205333140 is a wasteful number, since it uses less digits than its factorization.

23205333140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96752 (or 96750 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 23205333140 its reverse (4133350232), we get a palindrome (27338683372).

The spelling of 23205333140 in words is "twenty-three billion, two hundred five million, three hundred thirty-three thousand, one hundred forty".