210123620483442 has 64 divisors (see below), whose sum is σ = 429365438555520. Its totient is φ = 68533516800000.

The previous prime is 210123620483429. The next prime is 210123620483443. The reversal of 210123620483442 is 244384026321012.

210123620483442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 210123620483394 and 210123620483403.

It is not an unprimeable number, because it can be changed into a prime (210123620483443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3708537309 + ... + 3708593967.

It is an arithmetic number, because the mean of its divisors is an integer number (6708834977430).

Almost surely, 2^{210123620483442} is an apocalyptic number.

210123620483442 is an abundant number, since it is smaller than the sum of its proper divisors (219241818072078).

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

210123620483442 is a wasteful number, since it uses less digits than its factorization.

210123620483442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109419.

The product of its (nonzero) digits is 442368, while the sum is 42.

The spelling of 210123620483442 in words is "two hundred ten trillion, one hundred twenty-three billion, six hundred twenty million, four hundred eighty-three thousand, four hundred forty-two".