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23025121 = 76153923
BaseRepresentation
bin101011111010…
…1010111100001
31121022210112021
41113311113201
521343300441
62141301441
7366465430
oct127652741
947283467
1023025121
1111aa7129
127864881
134a02342
1430b5117
15204c3d1
hex15f55e1

23025121 has 8 divisors (see below), whose sum is σ = 26746304. Its totient is φ = 19411920.

The previous prime is 23025109. The next prime is 23025127. The reversal of 23025121 is 12152032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23025121 - 29 = 23024609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23025095 and 23025104.

It is not an unprimeable number, because it can be changed into a prime (23025127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26535 + ... + 27388.

It is an arithmetic number, because the mean of its divisors is an integer number (3343288).

Almost surely, 223025121 is an apocalyptic number.

It is an amenable number.

23025121 is a deficient number, since it is larger than the sum of its proper divisors (3721183).

23025121 is an equidigital number, since it uses as much as digits as its factorization.

23025121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53991.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 23025121 is about 4798.4498538591. The cubic root of 23025121 is about 284.4901976787.

Adding to 23025121 its reverse (12152032), we get a palindrome (35177153).

The spelling of 23025121 in words is "twenty-three million, twenty-five thousand, one hundred twenty-one".

Divisors: 1 7 61 427 53923 377461 3289303 23025121