154089242023 has 4 divisors (see below), whose sum is σ = 154090529208. Its totient is φ = 154087954840.

The previous prime is 154089241997. The next prime is 154089242053. The reversal of 154089242023 is 320242980451.

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 154089242023 - 2⁵ = 154089241991 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154089242053) 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, 443236 + ... + 710377.

It is an arithmetic number, because the mean of its divisors is an integer number (38522632302).

Almost surely, 2^154089242023 is an apocalyptic number.

154089242023 is a deficient number, since it is larger than the sum of its proper divisors (1287185).

154089242023 is a wasteful number, since it uses less digits than its factorization.

154089242023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287184.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 154089242023 in words is "one hundred fifty-four billion, eighty-nine million, two hundred forty-two thousand, twenty-three".