920344423 has 2 divisors, whose sum is σ = 920344424. Its totient is φ = 920344422.

The previous prime is 920344357. The next prime is 920344483. The reversal of 920344423 is 324443029.

It is a strong prime.

It is an emirp because it is prime and its reverse (324443029) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 920344423 - 2¹⁷ = 920213351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (920344483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460172211 + 460172212.

It is an arithmetic number, because the mean of its divisors is an integer number (460172212).

Almost surely, 2^920344423 is an apocalyptic number.

920344423 is a deficient number, since it is larger than the sum of its proper divisors (1).

920344423 is an equidigital number, since it uses as much as digits as its factorization.

920344423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 920344423 is about 30337.1788899364. The cubic root of 920344423 is about 972.7101813519.

The spelling of 920344423 in words is "nine hundred twenty million, three hundred forty-four thousand, four hundred twenty-three".