90343923 has 16 divisors (see below), whose sum is σ = 122739456. Its totient is φ = 59099040.

The previous prime is 90343921. The next prime is 90343943. The reversal of 90343923 is 32934309.

It is not a de Polignac number, because 90343923 - 2¹ = 90343921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90343921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37938 + ... + 40248.

It is an arithmetic number, because the mean of its divisors is an integer number (7671216).

Almost surely, 2^90343923 is an apocalyptic number.

90343923 is a deficient number, since it is larger than the sum of its proper divisors (32395533).

90343923 is a wasteful number, since it uses less digits than its factorization.

90343923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2554.

The product of its (nonzero) digits is 17496, while the sum is 33.

The square root of 90343923 is about 9504.9420303335. The cubic root of 90343923 is about 448.7105854277.

The spelling of 90343923 in words is "ninety million, three hundred forty-three thousand, nine hundred twenty-three".