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23105401 = 112777583
BaseRepresentation
bin101100000100…
…0111101111001
31121110212122121
41120020331321
521403333101
62143121241
7400251454
oct130107571
947425577
1023105401
1112051480
1278a3221
134a2ca47
1430d649b
1520660a1
hex1608f79

23105401 has 8 divisors (see below), whose sum is σ = 25300224. Its totient is φ = 20926320.

The previous prime is 23105399. The next prime is 23105417. The reversal of 23105401 is 10450132.

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 23105401 - 21 = 23105399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23105441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 745 + ... + 6838.

It is an arithmetic number, because the mean of its divisors is an integer number (3162528).

Almost surely, 223105401 is an apocalyptic number.

It is an amenable number.

23105401 is a deficient number, since it is larger than the sum of its proper divisors (2194823).

23105401 is a wasteful number, since it uses less digits than its factorization.

23105401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7871.

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

The square root of 23105401 is about 4806.8077764770. The cubic root of 23105401 is about 284.8204511849.

Adding to 23105401 its reverse (10450132), we get a palindrome (33555533).

The spelling of 23105401 in words is "twenty-three million, one hundred five thousand, four hundred one".

Divisors: 1 11 277 3047 7583 83413 2100491 23105401