154023 has 4 divisors (see below), whose sum is σ = 205368. Its totient is φ = 102680.

The previous prime is 154001. The next prime is 154027. The reversal of 154023 is 320451.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 154023 - 2⁵ = 153991 is a prime.

It is a d-powerful number, because it can be written as 1 + 5 + 0 + 4⁷ + 2¹⁷ + 3⁸ .

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 153993 and 154011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25668 + ... + 25673.

It is an arithmetic number, because the mean of its divisors is an integer number (51342).

2¹⁵⁴⁰²³ is an apocalyptic number.

154023 is a deficient number, since it is larger than the sum of its proper divisors (51345).

154023 is an equidigital number, since it uses as much as digits as its factorization.

154023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51344.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 154023 is about 392.4576410264. The cubic root of 154023 is about 53.6037524291.

Adding to 154023 its reverse (320451), we get a palindrome (474474).

The spelling of 154023 in words is "one hundred fifty-four thousand, twenty-three".