154423423 has 8 divisors (see below), whose sum is σ = 192528000. Its totient is φ = 120329880.

The previous prime is 154423361. The next prime is 154423447. The reversal of 154423423 is 324324451.

It is a happy number.

154423423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-154423423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 154423391 and 154423400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154423123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1002673 + ... + 1002826.

It is an arithmetic number, because the mean of its divisors is an integer number (24066000).

Almost surely, 2^154423423 is an apocalyptic number.

154423423 is a deficient number, since it is larger than the sum of its proper divisors (38104577).

154423423 is a wasteful number, since it uses less digits than its factorization.

154423423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005517.

The product of its digits is 11520, while the sum is 28.

The square root of 154423423 is about 12426.7221341752. The cubic root of 154423423 is about 536.5016454846.

Adding to 154423423 its reverse (324324451), we get a palindrome (478747874).

It can be divided in two parts, 154423 and 423, that added together give a triangular number (154846 = T₅₅₆).

The spelling of 154423423 in words is "one hundred fifty-four million, four hundred twenty-three thousand, four hundred twenty-three".