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23444231 is a prime number
BaseRepresentation
bin101100101101…
…1101100000111
31122010002102212
41121123230013
522000203411
62154254035
7403162346
oct131335407
948102385
1023444231
1112262aa8
127a2731b
134b1b035
143183b5d
1520d168b
hex165bb07

23444231 has 2 divisors, whose sum is σ = 23444232. Its totient is φ = 23444230.

The previous prime is 23444189. The next prime is 23444237. The reversal of 23444231 is 13244432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23444231 - 218 = 23182087 is a prime.

It is a super-2 number, since 2×234442312 = 1099263934362722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 23444197 and 23444206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23444237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11722115 + 11722116.

It is an arithmetic number, because the mean of its divisors is an integer number (11722116).

Almost surely, 223444231 is an apocalyptic number.

23444231 is a deficient number, since it is larger than the sum of its proper divisors (1).

23444231 is an equidigital number, since it uses as much as digits as its factorization.

23444231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 23.

The square root of 23444231 is about 4841.9243075455. The cubic root of 23444231 is about 286.2059538262.

Adding to 23444231 its reverse (13244432), we get a palindrome (36688663).

The spelling of 23444231 in words is "twenty-three million, four hundred forty-four thousand, two hundred thirty-one".