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11623630423 = 12791524649
BaseRepresentation
bin10101101001101001…
…01000011001010111
31010000001220121100111
422310310220121113
5142301122133143
65201222423451
7561021141226
oct126464503127
933001817314
1011623630423
114a25266639
122304891b87
1311331a7c32
147c3a48cbd
154806c899d
hex2b4d28657

11623630423 has 4 divisors (see below), whose sum is σ = 11715155200. Its totient is φ = 11532105648.

The previous prime is 11623630411. The next prime is 11623630453. The reversal of 11623630423 is 32403632611.

11623630423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32403632611 = 74629090373.

It is a cyclic number.

It is not a de Polignac number, because 11623630423 - 229 = 11086759511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11623630453) 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 3 ways as a sum of consecutive naturals, for example, 45762198 + ... + 45762451.

It is an arithmetic number, because the mean of its divisors is an integer number (2928788800).

Almost surely, 211623630423 is an apocalyptic number.

11623630423 is a deficient number, since it is larger than the sum of its proper divisors (91524777).

11623630423 is an equidigital number, since it uses as much as digits as its factorization.

11623630423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91524776.

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 11623630423 in words is "eleven billion, six hundred twenty-three million, six hundred thirty thousand, four hundred twenty-three".

Divisors: 1 127 91524649 11623630423