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23311321001 = 439202926171
BaseRepresentation
bin10101101101011101…
…101000011110101001
32020011121100210201022
4111231131220132221
5340220144233001
614413054302225
71453450646663
oct255535503651
966147323638
1023311321001
1199826a6551
124626ab7975
132276721b87
1411b1dab533
1591680811b
hex56d7687a9

23311321001 has 8 divisors (see below), whose sum is σ = 23376830400. Its totient is φ = 23245868880.

The previous prime is 23311320961. The next prime is 23311321003. The reversal of 23311321001 is 10012311332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23311321001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23311321003) 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, 877646 + ... + 903816.

It is an arithmetic number, because the mean of its divisors is an integer number (2922103800).

Almost surely, 223311321001 is an apocalyptic number.

It is an amenable number.

23311321001 is a deficient number, since it is larger than the sum of its proper divisors (65509399).

23311321001 is a wasteful number, since it uses less digits than its factorization.

23311321001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28639.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 23311321001 its reverse (10012311332), we get a palindrome (33323632333).

The spelling of 23311321001 in words is "twenty-three billion, three hundred eleven million, three hundred twenty-one thousand, one".

Divisors: 1 439 2029 26171 890731 11489069 53100959 23311321001