123430120252 has 12 divisors (see below), whose sum is σ = 221840621800. Its totient is φ = 60047085456.

The previous prime is 123430120249. The next prime is 123430120291. The reversal of 123430120252 is 252021034321.

It is a congruent number.

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, 416993502 + ... + 416993797.

Almost surely, 2^123430120252 is an apocalyptic number.

It is an amenable number.

123430120252 is a deficient number, since it is larger than the sum of its proper divisors (98410501548).

123430120252 is a wasteful number, since it uses less digits than its factorization.

123430120252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833987340 (or 833987338 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 123430120252 its reverse (252021034321), we get a palindrome (375451154573).

The spelling of 123430120252 in words is "one hundred twenty-three billion, four hundred thirty million, one hundred twenty thousand, two hundred fifty-two".