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12403211323 = 83163916787
BaseRepresentation
bin10111000110100100…
…11111110000111011
31012000101211102022011
423203102133300323
5200400210230243
65410431510351
7616235361646
oct134322376073
935011742264
1012403211323
115295320278
1224a19883b7
13122885b9c9
148593baa5d
154c8d6a89d
hex2e349fc3b

12403211323 has 8 divisors (see below), whose sum is σ = 12629671488. Its totient is φ = 12178585224.

The previous prime is 12403211273. The next prime is 12403211329. The reversal of 12403211323 is 32311230421.

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 12403211323 - 225 = 12369656891 is a prime.

It is a super-2 number, since 2×124032113232 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12403211294 and 12403211303.

It is not an unprimeable number, because it can be changed into a prime (12403211329) 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, 444865 + ... + 471922.

It is an arithmetic number, because the mean of its divisors is an integer number (1578708936).

Almost surely, 212403211323 is an apocalyptic number.

12403211323 is a deficient number, since it is larger than the sum of its proper divisors (226460165).

12403211323 is an equidigital number, since it uses as much as digits as its factorization.

12403211323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917033.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12403211323 its reverse (32311230421), we get a palindrome (44714441744).

The spelling of 12403211323 in words is "twelve billion, four hundred three million, two hundred eleven thousand, three hundred twenty-three".

Divisors: 1 83 163 13529 916787 76093321 149436281 12403211323