90153423 has 24 divisors (see below), whose sum is σ = 140790000. Its totient is φ = 55396224.

The previous prime is 90153421. The next prime is 90153439. The reversal of 90153423 is 32435109.

90153423 is a `hidden beast` number, since 90 + 153 + 423 = 666.

It is not a de Polignac number, because 90153423 - 2¹ = 90153421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90153421) 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 in 23 ways as a sum of consecutive naturals, for example, 798 + ... + 13451.

It is an arithmetic number, because the mean of its divisors is an integer number (5866250).

Almost surely, 2^90153423 is an apocalyptic number.

90153423 is a deficient number, since it is larger than the sum of its proper divisors (50636577).

90153423 is a wasteful number, since it uses less digits than its factorization.

90153423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14311 (or 14308 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 90153423 is about 9494.9156394357. The cubic root of 90153423 is about 448.3949784486.

The spelling of 90153423 in words is "ninety million, one hundred fifty-three thousand, four hundred twenty-three".