123031243051532 has 12 divisors (see below), whose sum is σ = 215357459059680. Its totient is φ = 61500540463056.

The previous prime is 123031243051511. The next prime is 123031243051547. The reversal of 123031243051532 is 235150342130321.

It is a junction number, because it is equal to n+sod(n) for n = 123031243051492 and 123031243051501.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3770247323 + ... + 3770279954.

It is an arithmetic number, because the mean of its divisors is an integer number (17946454921640).

Almost surely, 2^{123031243051532} is an apocalyptic number.

It is an amenable number.

123031243051532 is a deficient number, since it is larger than the sum of its proper divisors (92326216008148).

123031243051532 is a wasteful number, since it uses less digits than its factorization.

123031243051532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7540531360 (or 7540531358 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 123031243051532 its reverse (235150342130321), we get a palindrome (358181585181853).

The spelling of 123031243051532 in words is "one hundred twenty-three trillion, thirty-one billion, two hundred forty-three million, fifty-one thousand, five hundred thirty-two".