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23434723 = 132236029
BaseRepresentation
bin101100101100…
…1010111100011
31122002121101201
41121121113203
521444402343
62154142031
7403122544
oct131312743
948077351
1023434723
1112256944
127a21917
134b16900
1431804cb
1520cd94d
hex16595e3

23434723 has 12 divisors (see below), whose sum is σ = 26483760. Its totient is φ = 20688096.

The previous prime is 23434703. The next prime is 23434751. The reversal of 23434723 is 32743432.

It is not a de Polignac number, because 23434723 - 213 = 23426531 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23434691 and 23434700.

It is not an unprimeable number, because it can be changed into a prime (23434703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 873 + ... + 6901.

It is an arithmetic number, because the mean of its divisors is an integer number (2206980).

Almost surely, 223434723 is an apocalyptic number.

23434723 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

23434723 is a deficient number, since it is larger than the sum of its proper divisors (3049037).

23434723 is a wasteful number, since it uses less digits than its factorization.

23434723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6078 (or 6065 counting only the distinct ones).

The product of its digits is 12096, while the sum is 28.

The square root of 23434723 is about 4840.9423669364. The cubic root of 23434723 is about 286.1672575379.

The spelling of 23434723 in words is "twenty-three million, four hundred thirty-four thousand, seven hundred twenty-three".

Divisors: 1 13 23 169 299 3887 6029 78377 138667 1018901 1802671 23434723