123030987452 has 12 divisors (see below), whose sum is σ = 215308692816. Its totient is φ = 61514218080.

The previous prime is 123030987403. The next prime is 123030987493. The reversal of 123030987452 is 254789030321.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

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, 82424 + ... + 502847.

It is an arithmetic number, because the mean of its divisors is an integer number (17942391068).

Almost surely, 2^123030987452 is an apocalyptic number.

It is an amenable number.

123030987452 is a deficient number, since it is larger than the sum of its proper divisors (92277705364).

123030987452 is a wasteful number, since it uses less digits than its factorization.

123030987452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637828 (or 637826 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 123030987452 in words is "one hundred twenty-three billion, thirty million, nine hundred eighty-seven thousand, four hundred fifty-two".