1620023134042 has 8 divisors (see below), whose sum is σ = 2430068724000. Its totient is φ = 810000226044.

The previous prime is 1620023134033. The next prime is 1620023134069. The reversal of 1620023134042 is 2404313200261.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1620023134042.

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, 5490792 + ... + 5778307.

It is an arithmetic number, because the mean of its divisors is an integer number (303758590500).

Almost surely, 2^{1620023134042} is an apocalyptic number.

1620023134042 is a deficient number, since it is larger than the sum of its proper divisors (810045589958).

1620023134042 is a wasteful number, since it uses less digits than its factorization.

1620023134042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11340980.

The product of its (nonzero) digits is 6912, while the sum is 28.

The spelling of 1620023134042 in words is "one trillion, six hundred twenty billion, twenty-three million, one hundred thirty-four thousand, forty-two".