123242150450042 has 32 divisors (see below), whose sum is σ = 203715570820608. Its totient is φ = 55557565430976.

The previous prime is 123242150449921. The next prime is 123242150450077. The reversal of 123242150450042 is 240054051242321.

It is a junction number, because it is equal to n+sod(n) for n = 123242150449984 and 123242150450011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109645463 + ... + 110763765.

It is an arithmetic number, because the mean of its divisors is an integer number (6366111588144).

Almost surely, 2^{123242150450042} is an apocalyptic number.

123242150450042 is a deficient number, since it is larger than the sum of its proper divisors (80473420370566).

123242150450042 is a wasteful number, since it uses less digits than its factorization.

123242150450042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216934.

The product of its (nonzero) digits is 76800, while the sum is 35.

The spelling of 123242150450042 in words is "one hundred twenty-three trillion, two hundred forty-two billion, one hundred fifty million, four hundred fifty thousand, forty-two".