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122323102001 = 409299078489
BaseRepresentation
bin111000111101100000…
…1100110100100110001
3102200201220111102100022
41301323001212210301
54001004203231001
6132110000333225
711560165132352
oct1617301464461
9380656442308
10122323102001
1147971225031
121b859914215
13b6c558a839
145cc5aa9d29
1532adddc11b
hex1c7b066931

122323102001 has 4 divisors (see below), whose sum is σ = 122622180900. Its totient is φ = 122024023104.

The previous prime is 122323101991. The next prime is 122323102003. The reversal of 122323102001 is 100201323221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 117701141776 + 4621960225 = 343076^2 + 67985^2 .

It is a cyclic number.

It is not a de Polignac number, because 122323102001 - 226 = 122255993137 is a prime.

It is a super-3 number, since 3×1223231020013 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122323102003) 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, 149538836 + ... + 149539653.

It is an arithmetic number, because the mean of its divisors is an integer number (30655545225).

Almost surely, 2122323102001 is an apocalyptic number.

It is an amenable number.

122323102001 is a deficient number, since it is larger than the sum of its proper divisors (299078899).

122323102001 is an equidigital number, since it uses as much as digits as its factorization.

122323102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299078898.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 122323102001 its reverse (100201323221), we get a palindrome (222524425222).

The spelling of 122323102001 in words is "one hundred twenty-two billion, three hundred twenty-three million, one hundred two thousand, one".

Divisors: 1 409 299078489 122323102001