Search a number
-
+
23320405422 = 2321319889909
BaseRepresentation
bin10101101110000000…
…010010010110101110
32020012020110100012100
4111232000102112232
5340230010433142
614414021115530
71453621114116
oct255600222656
966166410170
1023320405422
119987840836
124629b58ba6
132278582a82
1411b3294046
159174eeb4c
hex56e0125ae

23320405422 has 24 divisors (see below), whose sum is σ = 50913256680. Its totient is φ = 7714128240.

The previous prime is 23320405417. The next prime is 23320405429. The reversal of 23320405422 is 22450402332.

It is a happy number.

23320405422 is a `hidden beast` number, since 2 + 33 + 204 + 0 + 5 + 422 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23320405429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4942597 + ... + 4947312.

It is an arithmetic number, because the mean of its divisors is an integer number (2121385695).

Almost surely, 223320405422 is an apocalyptic number.

23320405422 is an abundant number, since it is smaller than the sum of its proper divisors (27592851258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23320405422 is a wasteful number, since it uses less digits than its factorization.

23320405422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9890048 (or 9890045 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 23320405422 its reverse (22450402332), we get a palindrome (45770807754).

The spelling of 23320405422 in words is "twenty-three billion, three hundred twenty million, four hundred five thousand, four hundred twenty-two".

Divisors: 1 2 3 6 9 18 131 262 393 786 1179 2358 9889909 19779818 29669727 59339454 89009181 178018362 1295578079 2591156158 3886734237 7773468474 11660202711 23320405422