154947123 has 12 divisors (see below), whose sum is σ = 225986800. Its totient is φ = 102294576.

The previous prime is 154947073. The next prime is 154947127. The reversal of 154947123 is 321749451.

154947123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 154947123 - 2⁶ = 154947059 is a prime.

It is a super-2 number, since 2×154947123² = 48017221851954258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154947127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82648 + ... + 84501.

Almost surely, 2^154947123 is an apocalyptic number.

154947123 is a deficient number, since it is larger than the sum of its proper divisors (71039677).

154947123 is a wasteful number, since it uses less digits than its factorization.

154947123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167258 (or 167255 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 154947123 is about 12447.7758254236. The cubic root of 154947123 is about 537.1074449758.

The spelling of 154947123 in words is "one hundred fifty-four million, nine hundred forty-seven thousand, one hundred twenty-three".