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23428023 = 317459373
BaseRepresentation
bin101100101011…
…1101110110111
31122002021012120
41121113232313
521444144043
62154051023
7403064163
oct131275667
948067176
1023428023
1112251903
127a19a73
134b13848
14317bca3
1520cb983
hex1657bb7

23428023 has 8 divisors (see below), whose sum is σ = 33074928. Its totient is φ = 14699904.

The previous prime is 23428019. The next prime is 23428037. The reversal of 23428023 is 32082432.

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

It is not a de Polignac number, because 23428023 - 22 = 23428019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23427984 and 23428002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23428073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229636 + ... + 229737.

It is an arithmetic number, because the mean of its divisors is an integer number (4134366).

Almost surely, 223428023 is an apocalyptic number.

23428023 is a deficient number, since it is larger than the sum of its proper divisors (9646905).

23428023 is a wasteful number, since it uses less digits than its factorization.

23428023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459393.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 23428023 is about 4840.2503034451. The cubic root of 23428023 is about 286.1399831471.

The spelling of 23428023 in words is "twenty-three million, four hundred twenty-eight thousand, twenty-three".

Divisors: 1 3 17 51 459373 1378119 7809341 23428023