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23880923 = 112238581
BaseRepresentation
bin101101100011…
…0010011011011
31122221021110122
41123012103123
522103142143
62211503455
7406661453
oct133062333
948837418
1023880923
1112531100
127bb7b8b
134c41a31
143258d63
15216ac68
hex16c64db

23880923 has 12 divisors (see below), whose sum is σ = 27393744. Its totient is φ = 20763600.

The previous prime is 23880917. The next prime is 23881027. The reversal of 23880923 is 32908832.

It is not a de Polignac number, because 23880923 - 28 = 23880667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23880023) 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, 1508 + ... + 7073.

It is an arithmetic number, because the mean of its divisors is an integer number (2282812).

Almost surely, 223880923 is an apocalyptic number.

23880923 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

23880923 is a deficient number, since it is larger than the sum of its proper divisors (3512821).

23880923 is a wasteful number, since it uses less digits than its factorization.

23880923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8626 (or 8615 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 23880923 is about 4886.8111279238. The cubic root of 23880923 is about 287.9720708191.

It can be divided in two parts, 238809 and 23, that added together give a palindrome (238832).

The spelling of 23880923 in words is "twenty-three million, eight hundred eighty thousand, nine hundred twenty-three".

Divisors: 1 11 23 121 253 2783 8581 94391 197363 1038301 2170993 23880923