123213321130 has 16 divisors (see below), whose sum is σ = 221788150920. Its totient is φ = 49284401152.

The previous prime is 123213321113. The next prime is 123213321193. The reversal of 123213321130 is 31123312321.

It can be written as a sum of positive squares in 4 ways, for example, as 100883099641 + 22330221489 = 317621^2 + 149433^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750642 + ... + 899938.

Almost surely, 2^123213321130 is an apocalyptic number.

123213321130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123213321130 is a deficient number, since it is larger than the sum of its proper divisors (98574829790).

123213321130 is a wasteful number, since it uses less digits than its factorization.

123213321130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231833.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 123213321130 its reverse (31123312321), we get a palindrome (154336633451).

The spelling of 123213321130 in words is "one hundred twenty-three billion, two hundred thirteen million, three hundred twenty-one thousand, one hundred thirty".