940289123 has 2 divisors, whose sum is σ = 940289124. Its totient is φ = 940289122.

The previous prime is 940289107. The next prime is 940289131. The reversal of 940289123 is 321982049.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 940289123 - 2⁴ = 940289107 is a prime.

It is not a weakly prime, because it can be changed into another prime (940289173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470144561 + 470144562.

It is an arithmetic number, because the mean of its divisors is an integer number (470144562).

Almost surely, 2^940289123 is an apocalyptic number.

940289123 is a deficient number, since it is larger than the sum of its proper divisors (1).

940289123 is an equidigital number, since it uses as much as digits as its factorization.

940289123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 940289123 is about 30664.1341472411. The cubic root of 940289123 is about 979.6865313546.

The spelling of 940289123 in words is "nine hundred forty million, two hundred eighty-nine thousand, one hundred twenty-three".