123247506000 has 640 divisors, whose sum is σ = 431498096640. Its totient is φ = 30191616000.

The previous prime is 123247505939. The next prime is 123247506001. The reversal of 123247506000 is 605742321.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123247506001) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 393761844 + ... + 393762156.

It is an arithmetic number, because the mean of its divisors is an integer number (674215776).

Almost surely, 2^123247506000 is an apocalyptic number.

123247506000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123247506000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215749048320).

123247506000 is an abundant number, since it is smaller than the sum of its proper divisors (308250590640).

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

123247506000 is a wasteful number, since it uses less digits than its factorization.

123247506000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The spelling of 123247506000 in words is "one hundred twenty-three billion, two hundred forty-seven million, five hundred six thousand".