1000154423 has 2 divisors, whose sum is σ = 1000154424. Its totient is φ = 1000154422.

The previous prime is 1000154381. The next prime is 1000154443. The reversal of 1000154423 is 3244510001.

It is an a-pointer prime, because the next prime (1000154443) can be obtained adding 1000154423 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1000154423 - 2¹⁴ = 1000138039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000154395 and 1000154404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000154443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500077211 + 500077212.

It is an arithmetic number, because the mean of its divisors is an integer number (500077212).

Almost surely, 2^1000154423 is an apocalyptic number.

1000154423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000154423 is an equidigital number, since it uses as much as digits as its factorization.

1000154423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1000154423 is about 31625.2181494452. The cubic root of 1000154423 is about 1000.0514716840.

Adding to 1000154423 its reverse (3244510001), we get a palindrome (4244664424).

The spelling of 1000154423 in words is "one billion, one hundred fifty-four thousand, four hundred twenty-three".