900987023 has 2 divisors, whose sum is σ = 900987024. Its totient is φ = 900987022.

The previous prime is 900986987. The next prime is 900987071. The reversal of 900987023 is 320789009.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 900987023 - 2⁶ = 900986959 is a prime.

It is a super-2 number, since 2×900987023² = 1623555231228805058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (900987223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450493511 + 450493512.

It is an arithmetic number, because the mean of its divisors is an integer number (450493512).

Almost surely, 2^900987023 is an apocalyptic number.

900987023 is a deficient number, since it is larger than the sum of its proper divisors (1).

900987023 is an equidigital number, since it uses as much as digits as its factorization.

900987023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 900987023 is about 30016.4458755530. The cubic root of 900987023 is about 965.8422038919.

The spelling of 900987023 in words is "nine hundred million, nine hundred eighty-seven thousand, twenty-three".