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23230302331 = 41955442249
BaseRepresentation
bin10101101000101000…
…100100100001111011
32012221221220121222211
4111220220210201323
5340033424133311
614401041555551
71451445211645
oct255050444173
965857817884
1023230302331
119940999a75
124603945bb7
1322629c5c32
1411a531b895
1590e652821
hex568a2487b

23230302331 has 4 divisors (see below), whose sum is σ = 23285745000. Its totient is φ = 23174859664.

The previous prime is 23230302301. The next prime is 23230302343. The reversal of 23230302331 is 13320303232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23230302331 - 221 = 23228205179 is a prime.

It is a super-2 number, since 2×232303023312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23230302301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27720706 + ... + 27721543.

It is an arithmetic number, because the mean of its divisors is an integer number (5821436250).

Almost surely, 223230302331 is an apocalyptic number.

23230302331 is a deficient number, since it is larger than the sum of its proper divisors (55442669).

23230302331 is an equidigital number, since it uses as much as digits as its factorization.

23230302331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55442668.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 23230302331 its reverse (13320303232), we get a palindrome (36550605563).

Subtracting from 23230302331 its reverse (13320303232), we obtain a palindrome (9909999099).

The spelling of 23230302331 in words is "twenty-three billion, two hundred thirty million, three hundred two thousand, three hundred thirty-one".

Divisors: 1 419 55442249 23230302331