123837229492 has 12 divisors (see below), whose sum is σ = 219683852836. Its totient is φ = 61070414400.

The previous prime is 123837229469. The next prime is 123837229519. The reversal of 123837229492 is 294922738321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 80517467536 + 43319761956 = 283756^2 + 208134^2 .

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, 212049759 + ... + 212050342.

Almost surely, 2^123837229492 is an apocalyptic number.

It is an amenable number.

123837229492 is a deficient number, since it is larger than the sum of its proper divisors (95846623344).

123837229492 is a wasteful number, since it uses less digits than its factorization.

123837229492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424100178 (or 424100176 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 52.

The spelling of 123837229492 in words is "one hundred twenty-three billion, eight hundred thirty-seven million, two hundred twenty-nine thousand, four hundred ninety-two".