23231133142340 has 36 divisors (see below), whose sum is σ = 49462827393924. Its totient is φ = 9165159334656.

The previous prime is 23231133142313. The next prime is 23231133142381. The reversal of 23231133142340 is 4324133113232.

It can be written as a sum of positive squares in 6 ways, for example, as 1523659421956 + 21707473720384 = 1234366^2 + 4659128^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23231133142297 and 23231133142306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108877907 + ... + 109091066.

It is an arithmetic number, because the mean of its divisors is an integer number (1373967427609).

Almost surely, 2^{23231133142340} is an apocalyptic number.

23231133142340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23231133142340 is an abundant number, since it is smaller than the sum of its proper divisors (26231694251584).

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

23231133142340 is a wasteful number, since it uses less digits than its factorization.

23231133142340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217969128 (or 217969053 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 23231133142340 its reverse (4324133113232), we get a palindrome (27555266255572).

The spelling of 23231133142340 in words is "twenty-three trillion, two hundred thirty-one billion, one hundred thirty-three million, one hundred forty-two thousand, three hundred forty".