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123213201101 = 7691039154211
BaseRepresentation
bin111001011000000010…
…1000011111011001101
3102210000221101010202122
41302300011003323031
54004320034413401
6132334154302325
711621223633434
oct1626005037315
9383027333678
10123213201101
1148288704721
121ba67a279a5
13b807ac87b3
145d6bdaa11b
15331211021b
hex1cb0143ecd

123213201101 has 8 divisors (see below), whose sum is σ = 123492969600. Its totient is φ = 122933744640.

The previous prime is 123213201049. The next prime is 123213201131. The reversal of 123213201101 is 101102312321.

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-123213201101 is a prime.

It is a super-2 number, since 2×1232132011012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123213201101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123213201131) 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, 721886 + ... + 876096.

It is an arithmetic number, because the mean of its divisors is an integer number (15436621200).

Almost surely, 2123213201101 is an apocalyptic number.

It is an amenable number.

123213201101 is a deficient number, since it is larger than the sum of its proper divisors (279768499).

123213201101 is a wasteful number, since it uses less digits than its factorization.

123213201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156019.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 123213201101 its reverse (101102312321), we get a palindrome (224315513422).

The spelling of 123213201101 in words is "one hundred twenty-three billion, two hundred thirteen million, two hundred one thousand, one hundred one".

Divisors: 1 769 1039 154211 798991 118588259 160225229 123213201101