23255839780 has 24 divisors (see below), whose sum is σ = 50412660480. Its totient is φ = 9002260320.

The previous prime is 23255839757. The next prime is 23255839781. The reversal of 23255839780 is 8793855232.

It is not an unprimeable number, because it can be changed into a prime (23255839781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18754090 + ... + 18755329.

It is an arithmetic number, because the mean of its divisors is an integer number (2100527520).

Almost surely, 2^23255839780 is an apocalyptic number.

23255839780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23255839780 is an abundant number, since it is smaller than the sum of its proper divisors (27156820700).

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

23255839780 is a wasteful number, since it uses less digits than its factorization.

23255839780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37509459 (or 37509457 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 23255839780 in words is "twenty-three billion, two hundred fifty-five million, eight hundred thirty-nine thousand, seven hundred eighty".