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23918045423 = 2926916931811
BaseRepresentation
bin10110010001101000…
…000110100011101111
32021201220000121011012
4112101220012203233
5342441004423143
614553210415435
71504466013566
oct262150064357
967656017135
1023918045423
11a164127598
12477613157b
1323423333cc
14122c7c4bdd
1594ec03418
hex591a068ef

23918045423 has 16 divisors (see below), whose sum is σ = 24863176800. Its totient is φ = 22981150080.

The previous prime is 23918045419. The next prime is 23918045429. The reversal of 23918045423 is 32454081932.

It is a cyclic number.

It is not a de Polignac number, because 23918045423 - 22 = 23918045419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23918045429) 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 15 ways as a sum of consecutive naturals, for example, 13206188 + ... + 13207998.

It is an arithmetic number, because the mean of its divisors is an integer number (1553948550).

Almost surely, 223918045423 is an apocalyptic number.

23918045423 is a deficient number, since it is larger than the sum of its proper divisors (945131377).

23918045423 is a wasteful number, since it uses less digits than its factorization.

23918045423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3802.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 23918045423 in words is "twenty-three billion, nine hundred eighteen million, forty-five thousand, four hundred twenty-three".

Divisors: 1 29 269 1693 1811 7801 49097 52519 455417 487159 3066023 13207093 14127611 88914667 824760187 23918045423