154471223 has 2 divisors, whose sum is σ = 154471224. Its totient is φ = 154471222.

The previous prime is 154471211. The next prime is 154471237. The reversal of 154471223 is 322174451.

154471223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 154471223 - 2¹⁶ = 154405687 is a prime.

It is a super-2 number, since 2×154471223² = 47722717470231458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154471253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77235611 + 77235612.

It is an arithmetic number, because the mean of its divisors is an integer number (77235612).

Almost surely, 2^154471223 is an apocalyptic number.

154471223 is a deficient number, since it is larger than the sum of its proper divisors (1).

154471223 is an equidigital number, since it uses as much as digits as its factorization.

154471223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 29.

The square root of 154471223 is about 12428.6452600434. The cubic root of 154471223 is about 536.5569957517.

The spelling of 154471223 in words is "one hundred fifty-four million, four hundred seventy-one thousand, two hundred twenty-three".