203123120101130 has 32 divisors (see below), whose sum is σ = 375636732581376. Its totient is φ = 79044369702784.

The previous prime is 203123120101129. The next prime is 203123120101157. The reversal of 203123120101130 is 31101021321302.

It is a happy number.

It is a super-2 number, since 2×203123120101130² (a number of 29 digits) contains 22 as substring.

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, 1293864179 + ... + 1294021158.

It is an arithmetic number, because the mean of its divisors is an integer number (11738647893168).

Almost surely, 2^{203123120101130} is an apocalyptic number.

203123120101130 is a deficient number, since it is larger than the sum of its proper divisors (172513612480246).

203123120101130 is a wasteful number, since it uses less digits than its factorization.

203123120101130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2587885558.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 203123120101130 its reverse (31101021321302), we get a palindrome (234224141422432).

The spelling of 203123120101130 in words is "two hundred three trillion, one hundred twenty-three billion, one hundred twenty million, one hundred one thousand, one hundred thirty".