90710023 has 2 divisors, whose sum is σ = 90710024. Its totient is φ = 90710022.

The previous prime is 90709987. The next prime is 90710063. The reversal of 90710023 is 32001709.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90710023 - 2²¹ = 88612871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90709976 and 90710003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90710063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45355011 + 45355012.

It is an arithmetic number, because the mean of its divisors is an integer number (45355012).

Almost surely, 2^90710023 is an apocalyptic number.

90710023 is a deficient number, since it is larger than the sum of its proper divisors (1).

90710023 is an equidigital number, since it uses as much as digits as its factorization.

90710023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 90710023 is about 9524.1809621615. The cubic root of 90710023 is about 449.3158707422.

The spelling of 90710023 in words is "ninety million, seven hundred ten thousand, twenty-three".