23234353540 has 48 divisors (see below), whose sum is σ = 49019670000. Its totient is φ = 9250509312.

The previous prime is 23234353523. The next prime is 23234353553. The reversal of 23234353540 is 4535343232.

It can be written as a sum of positive squares in 8 ways, for example, as 467164996 + 22767188544 = 21614^2 + 150888^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23234353496 and 23234353505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4038586 + ... + 4044334.

It is an arithmetic number, because the mean of its divisors is an integer number (1021243125).

Almost surely, 2^23234353540 is an apocalyptic number.

23234353540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23234353540 is an abundant number, since it is smaller than the sum of its proper divisors (25785316460).

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

23234353540 is a wasteful number, since it uses less digits than its factorization.

23234353540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6664 (or 6662 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 34.

Adding to 23234353540 its reverse (4535343232), we get a palindrome (27769696772).

The spelling of 23234353540 in words is "twenty-three billion, two hundred thirty-four million, three hundred fifty-three thousand, five hundred forty".