123465723450 has 48 divisors (see below), whose sum is σ = 306224525376. Its totient is φ = 32921017600.

The previous prime is 123465723419. The next prime is 123465723473. The reversal of 123465723450 is 54327564321.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1805890 + ... + 1873010.

It is an arithmetic number, because the mean of its divisors is an integer number (6379677612).

Almost surely, 2^123465723450 is an apocalyptic number.

123465723450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123465723450 is an abundant number, since it is smaller than the sum of its proper divisors (182758801926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123465723450 is a wasteful number, since it uses less digits than its factorization.

123465723450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79399 (or 79394 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 42.

The spelling of 123465723450 in words is "one hundred twenty-three billion, four hundred sixty-five million, seven hundred twenty-three thousand, four hundred fifty".