153121121113123 has 8 divisors (see below), whose sum is σ = 154763745883136. Its totient is φ = 151481496573000.

The previous prime is 153121121113111. The next prime is 153121121113133. The reversal of 153121121113123 is 321311121121351.

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 153121121113123 - 2⁹ = 153121121112611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 153121121113091 and 153121121113100.

It is not an unprimeable number, because it can be changed into a prime (153121121113133) 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, 749954853 + ... + 750158998.

It is an arithmetic number, because the mean of its divisors is an integer number (19345468235392).

Almost surely, 2^{153121121113123} is an apocalyptic number.

153121121113123 is a deficient number, since it is larger than the sum of its proper divisors (1642624770013).

153121121113123 is a wasteful number, since it uses less digits than its factorization.

153121121113123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500114945.

The product of its digits is 1080, while the sum is 28.

Adding to 153121121113123 its reverse (321311121121351), we get a palindrome (474432242234474).

The spelling of 153121121113123 in words is "one hundred fifty-three trillion, one hundred twenty-one billion, one hundred twenty-one million, one hundred thirteen thousand, one hundred twenty-three".