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23230123418 = 2234191205257
BaseRepresentation
bin10101101000100111…
…111000110110011010
32012221221120112120102
4111220213320312122
5340033402422133
614401034055402
71451443535225
oct255047706632
965857515512
1023230123418
119940887607
12460387a562
132262962678
1411a52b25bc
1590e6197e8
hex5689f8d9a

23230123418 has 16 divisors (see below), whose sum is σ = 36447001920. Its totient is φ = 11083534176.

The previous prime is 23230123417. The next prime is 23230123529. The reversal of 23230123418 is 81432103232.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23230123417) 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, 583355 + ... + 621902.

It is an arithmetic number, because the mean of its divisors is an integer number (2277937620).

Almost surely, 223230123418 is an apocalyptic number.

23230123418 is a deficient number, since it is larger than the sum of its proper divisors (13216878502).

23230123418 is a wasteful number, since it uses less digits than its factorization.

23230123418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205701.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 23230123418 in words is "twenty-three billion, two hundred thirty million, one hundred twenty-three thousand, four hundred eighteen".

Divisors: 1 2 23 46 419 838 9637 19274 1205257 2410514 27720911 55441822 505002683 1010005366 11615061709 23230123418