230257521550 has 48 divisors (see below), whose sum is σ = 489561344640. Its totient is φ = 78929364960.

The previous prime is 230257521539. The next prime is 230257521587. The reversal of 230257521550 is 55125752032.

It is a super-3 number, since 3×230257521550³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1723041 + ... + 1851859.

It is an arithmetic number, because the mean of its divisors is an integer number (10199194680).

Almost surely, 2^230257521550 is an apocalyptic number.

230257521550 is an abundant number, since it is smaller than the sum of its proper divisors (259303823090).

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

230257521550 is a wasteful number, since it uses less digits than its factorization.

230257521550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133945 (or 133940 counting only the distinct ones).

The product of its (nonzero) digits is 105000, while the sum is 37.

The spelling of 230257521550 in words is "two hundred thirty billion, two hundred fifty-seven million, five hundred twenty-one thousand, five hundred fifty".