123154141 has 4 divisors (see below), whose sum is σ = 134349984. Its totient is φ = 111958300.

The previous prime is 123154123. The next prime is 123154153. The reversal of 123154141 is 141451321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 141451321 = 11 ⋅12859211.

It is a cyclic number.

It is not a de Polignac number, because 123154141 - 2²¹ = 121056989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123154441) 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, 5597905 + ... + 5597926.

It is an arithmetic number, because the mean of its divisors is an integer number (33587496).

Almost surely, 2^123154141 is an apocalyptic number.

123154141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123154141 is a deficient number, since it is larger than the sum of its proper divisors (11195843).

123154141 is a wasteful number, since it uses less digits than its factorization.

123154141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11195842.

The product of its digits is 480, while the sum is 22.

The square root of 123154141 is about 11097.4835435787. The cubic root of 123154141 is about 497.5266398199.

The spelling of 123154141 in words is "one hundred twenty-three million, one hundred fifty-four thousand, one hundred forty-one".