230581992557 has 16 divisors (see below), whose sum is σ = 279046218240. Its totient is φ = 186000638208.

The previous prime is 230581992547. The next prime is 230581992569. The reversal of 230581992557 is 755299185032.

It is a happy number.

It is not a de Polignac number, because 230581992557 - 2⁶ = 230581992493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230581992547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1533119 + ... + 1676787.

It is an arithmetic number, because the mean of its divisors is an integer number (17440388640).

Almost surely, 2^230581992557 is an apocalyptic number.

It is an amenable number.

230581992557 is a deficient number, since it is larger than the sum of its proper divisors (48464225683).

230581992557 is a wasteful number, since it uses less digits than its factorization.

230581992557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157180.

The product of its (nonzero) digits is 6804000, while the sum is 56.

The spelling of 230581992557 in words is "two hundred thirty billion, five hundred eighty-one million, nine hundred ninety-two thousand, five hundred fifty-seven".