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BaseRepresentation
bin101100000100…
…0011000011001
31121110202100201
41120020120121
521403244001
62143102201
7400241455
oct130103031
947422321
1023103001
111204a699
1278a1961
134a2b91c
1430d5665
152065501
hex1608619

23103001 has 4 divisors (see below), whose sum is σ = 23148900. Its totient is φ = 23057104.

The previous prime is 23102941. The next prime is 23103019. The reversal of 23103001 is 10030132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17808400 + 5294601 = 4220^2 + 2301^2 .

It is a cyclic number.

It is not a de Polignac number, because 23103001 - 29 = 23102489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23103061) 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, 22186 + ... + 23203.

It is an arithmetic number, because the mean of its divisors is an integer number (5787225).

Almost surely, 223103001 is an apocalyptic number.

It is an amenable number.

23103001 is a deficient number, since it is larger than the sum of its proper divisors (45899).

23103001 is an equidigital number, since it uses as much as digits as its factorization.

23103001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45898.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 23103001 is about 4806.5581240634. The cubic root of 23103001 is about 284.8105892375.

Adding to 23103001 its reverse (10030132), we get a palindrome (33133133).

The spelling of 23103001 in words is "twenty-three million, one hundred three thousand, one".

Divisors: 1 509 45389 23103001