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23405000453 = 151317488959
BaseRepresentation
bin10101110011000010…
…111111011100000101
32020102010122012202122
4111303002333130011
5340413140003303
614430242215325
71455666135632
oct256302773405
966363565678
1023405000453
119a2057028a
124652354545
13228cc617c3
1411c05d5189
1591eb5ee38
hex5730bf705

23405000453 has 8 divisors (see below), whose sum is σ = 23634370560. Its totient is φ = 23176609200.

The previous prime is 23405000447. The next prime is 23405000467. The reversal of 23405000453 is 35400050432.

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 23405000453 - 26 = 23405000389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23405000153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196613 + ... + 292346.

It is an arithmetic number, because the mean of its divisors is an integer number (2954296320).

Almost surely, 223405000453 is an apocalyptic number.

It is an amenable number.

23405000453 is a deficient number, since it is larger than the sum of its proper divisors (229370107).

23405000453 is a wasteful number, since it uses less digits than its factorization.

23405000453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489427.

The product of its (nonzero) digits is 7200, while the sum is 26.

Adding to 23405000453 its reverse (35400050432), we get a palindrome (58805050885).

The spelling of 23405000453 in words is "twenty-three billion, four hundred five million, four hundred fifty-three", and thus it is an aban number.

Divisors: 1 151 317 47867 488959 73832809 155000003 23405000453