123530032034542 has 16 divisors (see below), whose sum is σ = 213033827704320. Its totient is φ = 52624427674968.

The previous prime is 123530032034459. The next prime is 123530032034603. The reversal of 123530032034542 is 245430230035321.

It is a super-2 number, since 2×123530032034542² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26417883042 + ... + 26417887717.

It is an arithmetic number, because the mean of its divisors is an integer number (13314614231520).

Almost surely, 2^{123530032034542} is an apocalyptic number.

123530032034542 is a deficient number, since it is larger than the sum of its proper divisors (89503795669778).

123530032034542 is a wasteful number, since it uses less digits than its factorization.

123530032034542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52835770935.

The product of its (nonzero) digits is 259200, while the sum is 37.

Adding to 123530032034542 its reverse (245430230035321), we get a palindrome (368960262069863).

The spelling of 123530032034542 in words is "one hundred twenty-three trillion, five hundred thirty billion, thirty-two million, thirty-four thousand, five hundred forty-two".