203123120232132 has 72 divisors (see below), whose sum is σ = 532532158363296. Its totient is φ = 67699393351488.

The previous prime is 203123120232031. The next prime is 203123120232133. The reversal of 203123120232132 is 231232021321302.

203123120232132 is a `hidden beast` number, since 2 + 0 + 312 + 3 + 1 + 20 + 2 + 321 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 203123120232096 and 203123120232105.

It is not an unprimeable number, because it can be changed into a prime (203123120232133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4906353 + ... + 20744120.

It is an arithmetic number, because the mean of its divisors is an integer number (7396279977268).

Almost surely, 2^{203123120232132} is an apocalyptic number.

It is an amenable number.

203123120232132 is an abundant number, since it is smaller than the sum of its proper divisors (329409038131164).

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

203123120232132 is a wasteful number, since it uses less digits than its factorization.

203123120232132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25658639 (or 25658625 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 203123120232132 its reverse (231232021321302), we get a palindrome (434355141553434).

The spelling of 203123120232132 in words is "two hundred three trillion, one hundred twenty-three billion, one hundred twenty million, two hundred thirty-two thousand, one hundred thirty-two".