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23002312213 = 172358829443
BaseRepresentation
bin10101011011000010…
…110110111000010101
32012101001220112100101
4111123002312320111
5334102042442323
614322255214101
71443006266506
oct253302667025
965331815311
1023002312213
119834229691
12455b517331
1322276bb73a
141182d30bad
158e9619dad
hex55b0b6e15

23002312213 has 8 divisors (see below), whose sum is σ = 25414319808. Its totient is φ = 20707963584.

The previous prime is 23002312189. The next prime is 23002312237. The reversal of 23002312213 is 31221320032.

It is an interprime number because it is at equal distance from previous prime (23002312189) and next prime (23002312237).

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 23002312213 - 233 = 14412377621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23002312243) 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, 29414331 + ... + 29415112.

It is an arithmetic number, because the mean of its divisors is an integer number (3176789976).

Almost surely, 223002312213 is an apocalyptic number.

23002312213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

23002312213 is a deficient number, since it is larger than the sum of its proper divisors (2412007595).

23002312213 is a wasteful number, since it uses less digits than its factorization.

23002312213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58829483.

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

Adding to 23002312213 its reverse (31221320032), we get a palindrome (54223632245).

The spelling of 23002312213 in words is "twenty-three billion, two million, three hundred twelve thousand, two hundred thirteen".

Divisors: 1 17 23 391 58829443 1000100531 1353077189 23002312213