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23923668 = 22310119739
BaseRepresentation
bin101101101000…
…0101111010100
31200000110002210
41123100233110
522111024133
62212433420
7410230206
oct133205724
950013083
1023923668
111256022a
128018870
134c58322
14326a776
152178763
hex16d0bd4

23923668 has 24 divisors (see below), whose sum is σ = 56377440. Its totient is φ = 7895200.

The previous prime is 23923639. The next prime is 23923693. The reversal of 23923668 is 86632932.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8658 + ... + 11081.

It is an arithmetic number, because the mean of its divisors is an integer number (2349060).

Almost surely, 223923668 is an apocalyptic number.

It is an amenable number.

23923668 is an abundant number, since it is smaller than the sum of its proper divisors (32453772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23923668 is a wasteful number, since it uses less digits than its factorization.

23923668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19847 (or 19845 counting only the distinct ones).

The product of its digits is 93312, while the sum is 39.

The square root of 23923668 is about 4891.1826790665. The cubic root of 23923668 is about 288.1437842993.

The spelling of 23923668 in words is "twenty-three million, nine hundred twenty-three thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 12 101 202 303 404 606 1212 19739 39478 59217 78956 118434 236868 1993639 3987278 5980917 7974556 11961834 23923668