Search a number
-
+
23450831 is a prime number
BaseRepresentation
bin101100101110…
…1010011001111
31122010102111022
41121131103033
522000411311
62154344355
7403220525
oct131352317
948112438
1023450831
1112267a58
127a2b0bb
134b21041
143186315
1520d35db
hex165d4cf

23450831 has 2 divisors, whose sum is σ = 23450832. Its totient is φ = 23450830.

The previous prime is 23450827. The next prime is 23450863. The reversal of 23450831 is 13805432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23450831 - 22 = 23450827 is a prime.

It is a super-2 number, since 2×234508312 = 1099882949181122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23450831.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23450891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11725415 + 11725416.

It is an arithmetic number, because the mean of its divisors is an integer number (11725416).

Almost surely, 223450831 is an apocalyptic number.

23450831 is a deficient number, since it is larger than the sum of its proper divisors (1).

23450831 is an equidigital number, since it uses as much as digits as its factorization.

23450831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 23450831 is about 4842.6058067945. The cubic root of 23450831 is about 286.2328087919.

The spelling of 23450831 in words is "twenty-three million, four hundred fifty thousand, eight hundred thirty-one".