123007621450 has 96 divisors (see below), whose sum is σ = 263812007808. Its totient is φ = 41798784000.

The previous prime is 123007621447. The next prime is 123007621553. The reversal of 123007621450 is 54126700321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36488265 + ... + 36491635.

It is an arithmetic number, because the mean of its divisors is an integer number (2748041748).

Almost surely, 2^123007621450 is an apocalyptic number.

123007621450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123007621450 is an abundant number, since it is smaller than the sum of its proper divisors (140804386358).

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

123007621450 is a wasteful number, since it uses less digits than its factorization.

123007621450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4288 (or 4283 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The spelling of 123007621450 in words is "one hundred twenty-three billion, seven million, six hundred twenty-one thousand, four hundred fifty".