Search a number
-
+
23303122393 = 145116060043
BaseRepresentation
bin10101101100111110…
…010110110111011001
32020011000221021100011
4111230332112313121
5340211044404033
614412202441521
71453321162225
oct255476266731
966130837304
1023303122393
119979006841
1246242032a1
132274b11225
1411b0c75785
15915c38ccd
hex56cf96dd9

23303122393 has 4 divisors (see below), whose sum is σ = 23319183888. Its totient is φ = 23287060900.

The previous prime is 23303122387. The next prime is 23303122417. The reversal of 23303122393 is 39322130332.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23303122393 - 217 = 23302991321 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23303122333) 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, 8028571 + ... + 8031472.

It is an arithmetic number, because the mean of its divisors is an integer number (5829795972).

Almost surely, 223303122393 is an apocalyptic number.

It is an amenable number.

23303122393 is a deficient number, since it is larger than the sum of its proper divisors (16061495).

23303122393 is a wasteful number, since it uses less digits than its factorization.

23303122393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16061494.

The product of its (nonzero) digits is 17496, while the sum is 31.

The spelling of 23303122393 in words is "twenty-three billion, three hundred three million, one hundred twenty-two thousand, three hundred ninety-three".

Divisors: 1 1451 16060043 23303122393