Search a number
-
+
23230030123 = 831223228847
BaseRepresentation
bin10101101000100111…
…100010000100101011
32012221221101210121001
4111220213202010223
5340033341430443
614401032055431
71451442666226
oct255047420453
965857353531
1023230030123
119940823503
124603834577
13226292c071
1411a528a5bd
1590e5ebd4d
hex5689e212b

23230030123 has 8 divisors (see below), whose sum is σ = 23529235968. Its totient is φ = 22931284584.

The previous prime is 23230030099. The next prime is 23230030129. The reversal of 23230030123 is 32103003232.

It is a happy number.

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 23230030123 - 25 = 23230030091 is a prime.

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 23230030123.

It is not an unprimeable number, because it can be changed into a prime (23230030129) 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, 12915 + ... + 215932.

It is an arithmetic number, because the mean of its divisors is an integer number (2941154496).

Almost surely, 223230030123 is an apocalyptic number.

23230030123 is a deficient number, since it is larger than the sum of its proper divisors (299205845).

23230030123 is a wasteful number, since it uses less digits than its factorization.

23230030123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230153.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 23230030123 its reverse (32103003232), we get a palindrome (55333033355).

The spelling of 23230030123 in words is "twenty-three billion, two hundred thirty million, thirty thousand, one hundred twenty-three".

Divisors: 1 83 1223 101509 228847 18994301 279879881 23230030123