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323030023 = 13917912983
BaseRepresentation
bin10011010000010…
…000110000000111
3211111211121212221
4103100100300013
51130143430043
652015353211
711001465331
oct2320206007
9744747787
10323030023
11156384268
1290222807
1351c02434
1430c8a451
151d55c8ed
hex13410c07

323030023 has 8 divisors (see below), whose sum is σ = 327196800. Its totient is φ = 318889848.

The previous prime is 323030011. The next prime is 323030033. The reversal of 323030023 is 320030323.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 323030023 - 25 = 323029991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323029979 and 323030006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323030033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18390 + ... + 31372.

It is an arithmetic number, because the mean of its divisors is an integer number (40899600).

Almost surely, 2323030023 is an apocalyptic number.

323030023 is a deficient number, since it is larger than the sum of its proper divisors (4166777).

323030023 is a wasteful number, since it uses less digits than its factorization.

323030023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13301.

The product of its (nonzero) digits is 324, while the sum is 16.

The square root of 323030023 is about 17973.0359984061. The cubic root of 323030023 is about 686.1424613536.

Adding to 323030023 its reverse (320030323), we get a palindrome (643060346).

It can be divided in two parts, 3230300 and 23, that added together give a palindrome (3230323).

The spelling of 323030023 in words is "three hundred twenty-three million, thirty thousand, twenty-three".

Divisors: 1 139 179 12983 24881 1804637 2323957 323030023