123154154133 has 4 divisors (see below), whose sum is σ = 164205538848. Its totient is φ = 82102769420.

The previous prime is 123154154117. The next prime is 123154154183. The reversal of 123154154133 is 331451451321.

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.

It is a cyclic number.

It is not a de Polignac number, because 123154154133 - 2⁴ = 123154154117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123154154094 and 123154154103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123154154113) 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, 20525692353 + ... + 20525692358.

It is an arithmetic number, because the mean of its divisors is an integer number (41051384712).

Almost surely, 2^123154154133 is an apocalyptic number.

It is an amenable number.

123154154133 is a deficient number, since it is larger than the sum of its proper divisors (41051384715).

123154154133 is an equidigital number, since it uses as much as digits as its factorization.

123154154133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41051384714.

The product of its digits is 21600, while the sum is 33.

The spelling of 123154154133 in words is "one hundred twenty-three billion, one hundred fifty-four million, one hundred fifty-four thousand, one hundred thirty-three".