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23331001 is a prime number
BaseRepresentation
bin101100100000…
…0000010111001
31121220100010011
41121000002321
521433043001
62152021521
7402211261
oct131000271
947810104
1023331001
1112195a21
1279918a1
134aab635
1431547a1
1520acd51
hex16400b9

23331001 has 2 divisors, whose sum is σ = 23331002. Its totient is φ = 23331000.

The previous prime is 23330981. The next prime is 23331017. The reversal of 23331001 is 10013332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23270976 + 60025 = 4824^2 + 245^2 .

It is a cyclic number.

It is not a de Polignac number, because 23331001 - 217 = 23199929 is a prime.

It is not a weakly prime, because it can be changed into another prime (23331071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11665500 + 11665501.

It is an arithmetic number, because the mean of its divisors is an integer number (11665501).

Almost surely, 223331001 is an apocalyptic number.

It is an amenable number.

23331001 is a deficient number, since it is larger than the sum of its proper divisors (1).

23331001 is an equidigital number, since it uses as much as digits as its factorization.

23331001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 23331001 is about 4830.2174899273. The cubic root of 23331001 is about 285.7444413766.

Adding to 23331001 its reverse (10013332), we get a palindrome (33344333).

The spelling of 23331001 in words is "twenty-three million, three hundred thirty-one thousand, one".