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23230223011 = 199203957251
BaseRepresentation
bin10101101000101000…
…010001001010100011
32012221221202121012001
4111220220101022203
5340033414114021
614401040144431
71451444431462
oct255050211243
965857677161
1023230223011
119940945416
124603908117
132262998ab8
1411a52da9d9
1590e639091
hex568a112a3

23230223011 has 8 divisors (see below), whose sum is σ = 23358816000. Its totient is φ = 23101749000.

The previous prime is 23230222997. The next prime is 23230223059. The reversal of 23230223011 is 11032203232.

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 23230223011 - 25 = 23230222979 is a prime.

It is a super-2 number, since 2×232302230112 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23230223011.

It is not an unprimeable number, because it can be changed into a prime (23230223411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377136 + ... + 434386.

It is an arithmetic number, because the mean of its divisors is an integer number (2919852000).

Almost surely, 223230223011 is an apocalyptic number.

23230223011 is a deficient number, since it is larger than the sum of its proper divisors (128592989).

23230223011 is a wasteful number, since it uses less digits than its factorization.

23230223011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59489.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23230223011 its reverse (11032203232), we get a palindrome (34262426243).

The spelling of 23230223011 in words is "twenty-three billion, two hundred thirty million, two hundred twenty-three thousand, eleven".

Divisors: 1 199 2039 57251 405761 11392949 116734789 23230223011