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23495957 is a prime number
BaseRepresentation
bin101100110100…
…0010100010101
31122012201101122
41121220110111
522003332312
62155333325
7403466222
oct131502425
948181348
1023495957
1112298951
127a51245
134b38744
143198949
1520e1b72
hex1668515

23495957 has 2 divisors, whose sum is σ = 23495958. Its totient is φ = 23495956.

The previous prime is 23495929. The next prime is 23495981. The reversal of 23495957 is 75959432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15689521 + 7806436 = 3961^2 + 2794^2 .

It is a cyclic number.

It is not a de Polignac number, because 23495957 - 28 = 23495701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23495917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11747978 + 11747979.

It is an arithmetic number, because the mean of its divisors is an integer number (11747979).

Almost surely, 223495957 is an apocalyptic number.

It is an amenable number.

23495957 is a deficient number, since it is larger than the sum of its proper divisors (1).

23495957 is an equidigital number, since it uses as much as digits as its factorization.

23495957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 340200, while the sum is 44.

The square root of 23495957 is about 4847.2628358693. The cubic root of 23495957 is about 286.4162886518.

The spelling of 23495957 in words is "twenty-three million, four hundred ninety-five thousand, nine hundred fifty-seven".