Search a number
-
+
23012312203 = 2931114931709
BaseRepresentation
bin10101011011101001…
…000000010010001011
32012101202201120202101
4111123221000102023
5334112122442303
614323253414231
71443160266136
oct253351002213
965352646671
1023012312203
119839939841
12456293a377
1322297b02aa
1411843b521d
158ea442d1d
hex55ba4048b

23012312203 has 16 divisors (see below), whose sum is σ = 23912366400. Its totient is φ = 22119556480.

The previous prime is 23012312179. The next prime is 23012312207. The reversal of 23012312203 is 30221321032.

It is a cyclic number.

It is not a de Polignac number, because 23012312203 - 221 = 23010215051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23012312207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13464513 + ... + 13466221.

It is an arithmetic number, because the mean of its divisors is an integer number (1494522900).

Almost surely, 223012312203 is an apocalyptic number.

23012312203 is a deficient number, since it is larger than the sum of its proper divisors (900054197).

23012312203 is a wasteful number, since it uses less digits than its factorization.

23012312203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3542.

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

Adding to 23012312203 its reverse (30221321032), we get a palindrome (53233633235).

The spelling of 23012312203 in words is "twenty-three billion, twelve million, three hundred twelve thousand, two hundred three".

Divisors: 1 29 311 1493 1709 9019 43297 49561 464323 531499 2551537 13465367 15413471 73994573 793528007 23012312203