123342150541 has 4 divisors (see below), whose sum is σ = 123345746784. Its totient is φ = 123338554300.

The previous prime is 123342150509. The next prime is 123342150551. The reversal of 123342150541 is 145051243321.

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: 145051243321 = 10979 ⋅13211699.

It is a cyclic number.

It is not a de Polignac number, because 123342150541 - 2⁵ = 123342150509 is a prime.

It is a super-2 number, since 2×123342150541² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123342150551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1746175 + ... + 1815436.

It is an arithmetic number, because the mean of its divisors is an integer number (30836436696).

Almost surely, 2^123342150541 is an apocalyptic number.

It is an amenable number.

123342150541 is a deficient number, since it is larger than the sum of its proper divisors (3596243).

123342150541 is an equidigital number, since it uses as much as digits as its factorization.

123342150541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3596242.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 123342150541 its reverse (145051243321), we get a palindrome (268393393862).

The spelling of 123342150541 in words is "one hundred twenty-three billion, three hundred forty-two million, one hundred fifty thousand, five hundred forty-one".