89942423 has 2 divisors, whose sum is σ = 89942424. Its totient is φ = 89942422.

The previous prime is 89942407. The next prime is 89942441. The reversal of 89942423 is 32424998.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89942423 - 2⁴ = 89942407 is a prime.

It is a super-2 number, since 2×89942423² = 16179278910221858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89942023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44971211 + 44971212.

It is an arithmetic number, because the mean of its divisors is an integer number (44971212).

Almost surely, 2^89942423 is an apocalyptic number.

89942423 is a deficient number, since it is larger than the sum of its proper divisors (1).

89942423 is an equidigital number, since it uses as much as digits as its factorization.

89942423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 41.

The square root of 89942423 is about 9483.7979206645. The cubic root of 89942423 is about 448.0448891431.

The spelling of 89942423 in words is "eighty-nine million, nine hundred forty-two thousand, four hundred twenty-three".