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23025205001 = 30677507403
BaseRepresentation
bin10101011100011010…
…001011111100001001
32012102122222121100102
4111130122023330021
5334123423030001
614324434015145
71443405004361
oct253432137411
965378877312
1023025205001
119846145347
1245671174b5
13222c375776
141185dad9a1
158eb63ce6b
hex55c68bf09

23025205001 has 4 divisors (see below), whose sum is σ = 23032715472. Its totient is φ = 23017694532.

The previous prime is 23025204947. The next prime is 23025205051. The reversal of 23025205001 is 10050252032.

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 23025205001 - 214 = 23025188617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23025205051) 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, 3750635 + ... + 3756768.

It is an arithmetic number, because the mean of its divisors is an integer number (5758178868).

Almost surely, 223025205001 is an apocalyptic number.

It is an amenable number.

23025205001 is a deficient number, since it is larger than the sum of its proper divisors (7510471).

23025205001 is an equidigital number, since it uses as much as digits as its factorization.

23025205001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7510470.

The product of its (nonzero) digits is 600, while the sum is 20.

Adding to 23025205001 its reverse (10050252032), we get a palindrome (33075457033).

The spelling of 23025205001 in words is "twenty-three billion, twenty-five million, two hundred five thousand, one".

Divisors: 1 3067 7507403 23025205001