Search a number
-
+
23403401 = 73343343
BaseRepresentation
bin101100101000…
…1101110001001
31122001000102122
41121101232021
521442402101
62153341025
7402632330
oct131215611
948030378
1023403401
111223535a
127a07775
134b05588
143172d17
1520c451b
hex1651b89

23403401 has 4 divisors (see below), whose sum is σ = 26746752. Its totient is φ = 20060052.

The previous prime is 23403379. The next prime is 23403431. The reversal of 23403401 is 10430432.

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 23403401 - 214 = 23387017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23403401.

It is not an unprimeable number, because it can be changed into a prime (23403431) 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, 1671665 + ... + 1671678.

It is an arithmetic number, because the mean of its divisors is an integer number (6686688).

Almost surely, 223403401 is an apocalyptic number.

It is an amenable number.

23403401 is a deficient number, since it is larger than the sum of its proper divisors (3343351).

23403401 is an equidigital number, since it uses as much as digits as its factorization.

23403401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3343350.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 23403401 is about 4837.7061713171. The cubic root of 23403401 is about 286.0397071054.

Adding to 23403401 its reverse (10430432), we get a palindrome (33833833).

The spelling of 23403401 in words is "twenty-three million, four hundred three thousand, four hundred one".

Divisors: 1 7 3343343 23403401