123247488 has 128 divisors (see below), whose sum is σ = 403038720. Its totient is φ = 32495616.

The previous prime is 123247469. The next prime is 123247507. The reversal of 123247488 is 884742321.

It is an interprime number because it is at equal distance from previous prime (123247469) and next prime (123247507).

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33181 + ... + 36707.

It is an arithmetic number, because the mean of its divisors is an integer number (3148740).

Almost surely, 2^123247488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123247488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201519360).

123247488 is an abundant number, since it is smaller than the sum of its proper divisors (279791232).

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

123247488 is a wasteful number, since it uses less digits than its factorization.

123247488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3564 (or 3552 counting only the distinct ones).

The product of its digits is 86016, while the sum is 39.

The square root of 123247488 is about 11101.6885202207. The cubic root of 123247488 is about 497.6523113017.

The spelling of 123247488 in words is "one hundred twenty-three million, two hundred forty-seven thousand, four hundred eighty-eight".