123543532323151 has 8 divisors (see below), whose sum is σ = 124216934148864. Its totient is φ = 122870407342080.

The previous prime is 123543532322983. The next prime is 123543532323173. The reversal of 123543532323151 is 151323235345321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123543532323151 - 2¹⁷ = 123543532192079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123543532323098 and 123543532323107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123543532323191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68316186 + ... + 70101271.

It is an arithmetic number, because the mean of its divisors is an integer number (15527116768608).

Almost surely, 2^{123543532323151} is an apocalyptic number.

123543532323151 is a deficient number, since it is larger than the sum of its proper divisors (673401825713).

123543532323151 is a wasteful number, since it uses less digits than its factorization.

123543532323151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138422321.

The product of its digits is 972000, while the sum is 43.

Adding to 123543532323151 its reverse (151323235345321), we get a palindrome (274866767668472).

The spelling of 123543532323151 in words is "one hundred twenty-three trillion, five hundred forty-three billion, five hundred thirty-two million, three hundred twenty-three thousand, one hundred fifty-one".