1954423 has 2 divisors, whose sum is σ = 1954424. Its totient is φ = 1954422.

The previous prime is 1954411. The next prime is 1954427. The reversal of 1954423 is 3244591.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1954423 - 2⁵ = 1954391 is a prime.

1954423 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1954391 and 1954400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1954427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 977211 + 977212.

It is an arithmetic number, because the mean of its divisors is an integer number (977212).

2^1954423 is an apocalyptic number.

1954423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1954423 is an equidigital number, since it uses as much as digits as its factorization.

1954423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 28.

The square root of 1954423 is about 1398.0067954055. The cubic root of 1954423 is about 125.0276845347.

The spelling of 1954423 in words is "one million, nine hundred fifty-four thousand, four hundred twenty-three".