88641523 has 2 divisors, whose sum is σ = 88641524. Its totient is φ = 88641522.

The previous prime is 88641521. The next prime is 88641547. The reversal of 88641523 is 32514688.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 88641523 - 2¹ = 88641521 is a prime.

Together with 88641521, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (88641521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44320761 + 44320762.

It is an arithmetic number, because the mean of its divisors is an integer number (44320762).

Almost surely, 2^88641523 is an apocalyptic number.

88641523 is a deficient number, since it is larger than the sum of its proper divisors (1).

88641523 is an equidigital number, since it uses as much as digits as its factorization.

88641523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 37.

The square root of 88641523 is about 9414.9627189915. The cubic root of 88641523 is about 445.8742615778.

It can be divided in two parts, 8864152 and 3, that added together give a triangular number (8864155 = T₄₂₁₀).

The spelling of 88641523 in words is "eighty-eight million, six hundred forty-one thousand, five hundred twenty-three".