90150023 has 2 divisors, whose sum is σ = 90150024. Its totient is φ = 90150022.

The previous prime is 90150017. The next prime is 90150037. The reversal of 90150023 is 32005109.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90150023 - 2⁴ = 90150007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90149977 and 90150004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90150323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45075011 + 45075012.

It is an arithmetic number, because the mean of its divisors is an integer number (45075012).

Almost surely, 2^90150023 is an apocalyptic number.

90150023 is a deficient number, since it is larger than the sum of its proper divisors (1).

90150023 is an equidigital number, since it uses as much as digits as its factorization.

90150023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 90150023 is about 9494.7365945560. The cubic root of 90150023 is about 448.3893415316.

The spelling of 90150023 in words is "ninety million, one hundred fifty thousand, twenty-three".