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23803231 is a prime number
BaseRepresentation
bin101101011001…
…1010101011111
31122210022220011
41122303111133
522043200411
62210104051
7406216114
oct132632537
948708804
1023803231
11124887a1
127b7b027
134c1556a
14323890b
152152c21
hex16b355f

23803231 has 2 divisors, whose sum is σ = 23803232. Its totient is φ = 23803230.

The previous prime is 23803223. The next prime is 23803267. The reversal of 23803231 is 13230832.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23803231 - 23 = 23803223 is a prime.

It is a super-2 number, since 2×238032312 = 1133187612078722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23803211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11901615 + 11901616.

It is an arithmetic number, because the mean of its divisors is an integer number (11901616).

Almost surely, 223803231 is an apocalyptic number.

23803231 is a deficient number, since it is larger than the sum of its proper divisors (1).

23803231 is an equidigital number, since it uses as much as digits as its factorization.

23803231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 23803231 is about 4878.8555010371. The cubic root of 23803231 is about 287.6594442609.

The spelling of 23803231 in words is "twenty-three million, eight hundred three thousand, two hundred thirty-one".