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23010211001 = 31742264871
BaseRepresentation
bin10101011011100000…
…111111010010111001
32012101121202211110002
4111123200333102321
5334111103223001
614323140402345
71443133365161
oct253340772271
965347684402
1023010211001
119838734108
1245620a63b5
132229225a8b
141183dc95a1
158ea17a46b
hex55b83f4b9

23010211001 has 4 divisors (see below), whose sum is σ = 23752475904. Its totient is φ = 22267946100.

The previous prime is 23010210997. The next prime is 23010211013. The reversal of 23010211001 is 10011201032.

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 23010211001 - 22 = 23010210997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23010201001) 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, 371132405 + ... + 371132466.

It is an arithmetic number, because the mean of its divisors is an integer number (5938118976).

Almost surely, 223010211001 is an apocalyptic number.

It is an amenable number.

23010211001 is a deficient number, since it is larger than the sum of its proper divisors (742264903).

23010211001 is an equidigital number, since it uses as much as digits as its factorization.

23010211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742264902.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 23010211001 its reverse (10011201032), we get a palindrome (33021412033).

The spelling of 23010211001 in words is "twenty-three billion, ten million, two hundred eleven thousand, one".

Divisors: 1 31 742264871 23010211001