230581992508 has 24 divisors (see below), whose sum is σ = 461213972352. Its totient is φ = 98810142384.

The previous prime is 230581992503. The next prime is 230581992547. The reversal of 230581992508 is 805299185032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230581992503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180610 + ... + 702697.

It is an arithmetic number, because the mean of its divisors is an integer number (19217248848).

Almost surely, 2^230581992508 is an apocalyptic number.

230581992508 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

230581992508 is an abundant number, since it is smaller than the sum of its proper divisors (230631979844).

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

230581992508 is a wasteful number, since it uses less digits than its factorization.

230581992508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892641 (or 892639 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 52.

The spelling of 230581992508 in words is "two hundred thirty billion, five hundred eighty-one million, nine hundred ninety-two thousand, five hundred eight".