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23345123664 = 243486356743
BaseRepresentation
bin10101101111011110…
…100101000101010000
32020020221222011020210
4111233132211011100
5340302322424124
614420303004120
71454341164012
oct255736450520
966227864223
1023345123664
11999a793a35
124636299640
132280728955
1411b668a1b2
15919783a29
hex56f7a5150

23345123664 has 20 divisors (see below), whose sum is σ = 60308236256. Its totient is φ = 7781707872.

The previous prime is 23345123663. The next prime is 23345123677. The reversal of 23345123664 is 46632154332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23345123663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243178324 + ... + 243178419.

Almost surely, 223345123664 is an apocalyptic number.

23345123664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23345123664 is an abundant number, since it is smaller than the sum of its proper divisors (36963112592).

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

23345123664 is a wasteful number, since it uses less digits than its factorization.

23345123664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486356754 (or 486356748 counting only the distinct ones).

The product of its digits is 311040, while the sum is 39.

Adding to 23345123664 its reverse (46632154332), we get a palindrome (69977277996).

The spelling of 23345123664 in words is "twenty-three billion, three hundred forty-five million, one hundred twenty-three thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 486356743 972713486 1459070229 1945426972 2918140458 3890853944 5836280916 7781707888 11672561832 23345123664