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230120401 = 732874343
BaseRepresentation
bin11011011011101…
…01101111010001
3121001000022211211
431231311233101
5432402323101
634500140121
75462663650
oct1555655721
9531008754
10230120401
11108995955
1265097641
13388a2024
14227c3197
1515308c51
hexdb75bd1

230120401 has 4 divisors (see below), whose sum is σ = 262994752. Its totient is φ = 197246052.

The previous prime is 230120389. The next prime is 230120441. The reversal of 230120401 is 104021032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 230120401 - 25 = 230120369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230120441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16437165 + ... + 16437178.

It is an arithmetic number, because the mean of its divisors is an integer number (65748688).

Almost surely, 2230120401 is an apocalyptic number.

It is an amenable number.

230120401 is a deficient number, since it is larger than the sum of its proper divisors (32874351).

230120401 is an equidigital number, since it uses as much as digits as its factorization.

230120401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32874350.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 230120401 is about 15169.7198721664. The cubic root of 230120401 is about 612.7994601741.

Adding to 230120401 its reverse (104021032), we get a palindrome (334141433).

The spelling of 230120401 in words is "two hundred thirty million, one hundred twenty thousand, four hundred one".

Divisors: 1 7 32874343 230120401