88023919 has 2 divisors, whose sum is σ = 88023920. Its totient is φ = 88023918.

The previous prime is 88023917. The next prime is 88023983. The reversal of 88023919 is 91932088.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 88023919 - 2¹ = 88023917 is a prime.

It is a super-2 number, since 2×88023919² = 15496420632237122, which contains 22 as substring.

Together with 88023917, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88023913) 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 as a sum of consecutive naturals, namely, 44011959 + 44011960.

It is an arithmetic number, because the mean of its divisors is an integer number (44011960).

Almost surely, 2^88023919 is an apocalyptic number.

88023919 is a deficient number, since it is larger than the sum of its proper divisors (1).

88023919 is an equidigital number, since it uses as much as digits as its factorization.

88023919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 88023919 is about 9382.1063200115. The cubic root of 88023919 is about 444.8363139933.

It can be divided in two parts, 8802 and 3919, that added together give a palindrome (12721).

The spelling of 88023919 in words is "eighty-eight million, twenty-three thousand, nine hundred nineteen".