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123091400001 = 398874149941
BaseRepresentation
bin111001010100011010…
…0011011010101000001
3102202201110012000001210
41302220310123111001
54004042344300001
6132314123520333
711615214431253
oct1625064332501
9382643160053
10123091400001
1148225982759
121ba330890a9
13b7b87c0b3b
145d59b41cd3
1533065a0dd6
hex1ca8d1b541

123091400001 has 8 divisors (see below), whose sum is σ = 164138505984. Its totient is φ = 82052613680.

The previous prime is 123091399999. The next prime is 123091400017. The reversal of 123091400001 is 100004190321.

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

It is a cyclic number.

It is not a de Polignac number, because 123091400001 - 21 = 123091399999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123091400021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2045310 + ... + 2104631.

It is an arithmetic number, because the mean of its divisors is an integer number (20517313248).

Almost surely, 2123091400001 is an apocalyptic number.

It is an amenable number.

123091400001 is a deficient number, since it is larger than the sum of its proper divisors (41047105983).

123091400001 is an equidigital number, since it uses as much as digits as its factorization.

123091400001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4159831.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 123091400001 its reverse (100004190321), we get a palindrome (223095590322).

The spelling of 123091400001 in words is "one hundred twenty-three billion, ninety-one million, four hundred thousand, one".

Divisors: 1 3 9887 29661 4149941 12449823 41030466667 123091400001