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BaseRepresentation
bin101100000110…
…1100110110001
31121111211201022
41120031212301
521404440101
62143345225
7400361036
oct130154661
947454638
1023124401
1112064783
1278b2215
134a385a1
1430dd38d
15206ba1b
hex160d9b1

23124401 has 4 divisors (see below), whose sum is σ = 23516400. Its totient is φ = 22732404.

The previous prime is 23124359. The next prime is 23124449. The reversal of 23124401 is 10442132.

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 a de Polignac number, because none of the positive numbers 2k-23124401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23124401.

It is not an unprimeable number, because it can be changed into a prime (23124901) 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, 195911 + ... + 196028.

It is an arithmetic number, because the mean of its divisors is an integer number (5879100).

Almost surely, 223124401 is an apocalyptic number.

It is an amenable number.

23124401 is a deficient number, since it is larger than the sum of its proper divisors (391999).

23124401 is an equidigital number, since it uses as much as digits as its factorization.

23124401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391998.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 23124401 is about 4808.7837339602. The cubic root of 23124401 is about 284.8985008424.

Adding to 23124401 its reverse (10442132), we get a palindrome (33566533).

The spelling of 23124401 in words is "twenty-three million, one hundred twenty-four thousand, four hundred one".

Divisors: 1 59 391939 23124401