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23956631 is a prime number
BaseRepresentation
bin101101101100…
…0110010010111
31200002010022122
41123120302113
522113103011
62213250155
7410425256
oct133306227
950063278
1023956631
1112582a76
12803395b
134c6a32a
14327879d
1521833db
hex16d8c97

23956631 has 2 divisors, whose sum is σ = 23956632. Its totient is φ = 23956630.

The previous prime is 23956613. The next prime is 23956661. The reversal of 23956631 is 13665932.

Together with previous prime (23956613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23956631 is a prime.

It is a super-2 number, since 2×239566312 = 1147840337740322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23956591 and 23956600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23956601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11978315 + 11978316.

It is an arithmetic number, because the mean of its divisors is an integer number (11978316).

Almost surely, 223956631 is an apocalyptic number.

23956631 is a deficient number, since it is larger than the sum of its proper divisors (1).

23956631 is an equidigital number, since it uses as much as digits as its factorization.

23956631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 35.

The square root of 23956631 is about 4894.5511540896. The cubic root of 23956631 is about 288.2760622958.

The spelling of 23956631 in words is "twenty-three million, nine hundred fifty-six thousand, six hundred thirty-one".