123232023542 has 16 divisors (see below), whose sum is σ = 187893555120. Its totient is φ = 60608013312.

The previous prime is 123232023521. The next prime is 123232023557. The reversal of 123232023542 is 245320232321.

It is a super-2 number, since 2×123232023542² (a number of 23 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, 1759208 + ... + 1827915.

It is an arithmetic number, because the mean of its divisors is an integer number (11743347195).

Almost surely, 2^123232023542 is an apocalyptic number.

123232023542 is a deficient number, since it is larger than the sum of its proper divisors (64661531578).

123232023542 is a wasteful number, since it uses less digits than its factorization.

123232023542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3587407.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 123232023542 its reverse (245320232321), we get a palindrome (368552255863).

The spelling of 123232023542 in words is "one hundred twenty-three billion, two hundred thirty-two million, twenty-three thousand, five hundred forty-two".