Search a number
-
+
23431003001 = 73347286143
BaseRepresentation
bin10101110100100110…
…001011101101111001
32020110221120021112222
4111310212023231321
5340441314044001
614433011413425
71456433145050
oct256446135571
966427507488
1023431003001
119a3421039a
12465abb4275
132295467123
1411c3c43397
1592209961b
hex57498bb79

23431003001 has 4 divisors (see below), whose sum is σ = 26778289152. Its totient is φ = 20083716852.

The previous prime is 23431002997. The next prime is 23431003007. The reversal of 23431003001 is 10030013432.

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 23431003001 - 22 = 23431002997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23431003007) 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, 1673643065 + ... + 1673643078.

It is an arithmetic number, because the mean of its divisors is an integer number (6694572288).

Almost surely, 223431003001 is an apocalyptic number.

It is an amenable number.

23431003001 is a deficient number, since it is larger than the sum of its proper divisors (3347286151).

23431003001 is an equidigital number, since it uses as much as digits as its factorization.

23431003001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3347286150.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 23431003001 its reverse (10030013432), we get a palindrome (33461016433).

The spelling of 23431003001 in words is "twenty-three billion, four hundred thirty-one million, three thousand, one".

Divisors: 1 7 3347286143 23431003001