940121423 has 2 divisors, whose sum is σ = 940121424. Its totient is φ = 940121422.

The previous prime is 940121417. The next prime is 940121443. The reversal of 940121423 is 324121049.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 940121423 - 2⁶ = 940121359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 940121392 and 940121401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (940121443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470060711 + 470060712.

It is an arithmetic number, because the mean of its divisors is an integer number (470060712).

Almost surely, 2^940121423 is an apocalyptic number.

940121423 is a deficient number, since it is larger than the sum of its proper divisors (1).

940121423 is an equidigital number, since it uses as much as digits as its factorization.

940121423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 940121423 is about 30661.3995603593. The cubic root of 940121423 is about 979.6282857237.

The spelling of 940121423 in words is "nine hundred forty million, one hundred twenty-one thousand, four hundred twenty-three".