123240334152 has 32 divisors (see below), whose sum is σ = 331800900480. Its totient is φ = 37920102720.

The previous prime is 123240334127. The next prime is 123240334153. The reversal of 123240334152 is 251433042321.

It is not an unprimeable number, because it can be changed into a prime (123240334153) 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, 197500224 + ... + 197500847.

It is an arithmetic number, because the mean of its divisors is an integer number (10368778140).

Almost surely, 2^123240334152 is an apocalyptic number.

123240334152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123240334152 is an abundant number, since it is smaller than the sum of its proper divisors (208560566328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123240334152 is a wasteful number, since it uses less digits than its factorization.

123240334152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395001093 (or 395001089 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 123240334152 its reverse (251433042321), we get a palindrome (374673376473).

The spelling of 123240334152 in words is "one hundred twenty-three billion, two hundred forty million, three hundred thirty-four thousand, one hundred fifty-two".