230553405 has 32 divisors (see below), whose sum is σ = 433987200. Its totient is φ = 115727616.

The previous prime is 230553397. The next prime is 230553409. The reversal of 230553405 is 504355032.

It is not a de Polignac number, because 230553405 - 2³ = 230553397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230553409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47935 + ... + 52524.

It is an arithmetic number, because the mean of its divisors is an integer number (13562100).

Almost surely, 2^230553405 is an apocalyptic number.

It is an amenable number.

230553405 is a deficient number, since it is larger than the sum of its proper divisors (203433795).

230553405 is a wasteful number, since it uses less digits than its factorization.

230553405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100490 (or 100484 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 230553405 is about 15183.9851488336. The cubic root of 230553405 is about 613.1835755651.

The spelling of 230553405 in words is "two hundred thirty million, five hundred fifty-three thousand, four hundred five".