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23003230331 = 291139369623
BaseRepresentation
bin10101011011000110…
…010111000001111011
32012101010122011202202
4111123012113001323
5334102311332311
614322331020415
71443020142314
oct253306270173
965333564682
1023003230331
1198347a6464
12455b89a70b
1322279505c3
1411830cd60b
158e974be3b
hex55b19707b

23003230331 has 8 divisors (see below), whose sum is σ = 23798875680. Its totient is φ = 22207747072.

The previous prime is 23003230321. The next prime is 23003230363. The reversal of 23003230331 is 13303230032.

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 23003230331 - 26 = 23003230267 is a prime.

It is a super-2 number, since 2×230032303312 (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 (23003230301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295586 + ... + 365208.

It is an arithmetic number, because the mean of its divisors is an integer number (2974859460).

Almost surely, 223003230331 is an apocalyptic number.

23003230331 is a deficient number, since it is larger than the sum of its proper divisors (795645349).

23003230331 is a wasteful number, since it uses less digits than its factorization.

23003230331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81045.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 23003230331 its reverse (13303230032), we get a palindrome (36306460363).

The spelling of 23003230331 in words is "twenty-three billion, three million, two hundred thirty thousand, three hundred thirty-one".

Divisors: 1 29 11393 69623 330397 2019067 793214839 23003230331