23230756540 has 24 divisors (see below), whose sum is σ = 48812116752. Its totient is φ = 9287059200.

The previous prime is 23230756529. The next prime is 23230756573. The reversal of 23230756540 is 4565703232.

It is a self number, because there is not a number n which added to its sum of digits gives 23230756540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291286 + ... + 362365.

It is an arithmetic number, because the mean of its divisors is an integer number (2033838198).

Almost surely, 2^23230756540 is an apocalyptic number.

23230756540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23230756540 is an abundant number, since it is smaller than the sum of its proper divisors (25581360212).

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

23230756540 is a wasteful number, since it uses less digits than its factorization.

23230756540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655437 (or 655435 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 37.

The spelling of 23230756540 in words is "twenty-three billion, two hundred thirty million, seven hundred fifty-six thousand, five hundred forty".