23098649472 has 160 divisors (see below), whose sum is σ = 69613816800. Its totient is φ = 7601817600.

The previous prime is 23098649471. The next prime is 23098649477. The reversal of 23098649472 is 27494689032.

23098649472 is a `hidden beast` number, since 2 + 3 + 0 + 9 + 86 + 494 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23098649471) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 804972 + ... + 833172.

It is an arithmetic number, because the mean of its divisors is an integer number (435086355).

Almost surely, 2^23098649472 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 23098649472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34806908400).

23098649472 is an abundant number, since it is smaller than the sum of its proper divisors (46515167328).

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

23098649472 is an equidigital number, since it uses as much as digits as its factorization.

23098649472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28306 (or 28285 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 23098649472 in words is "twenty-three billion, ninety-eight million, six hundred forty-nine thousand, four hundred seventy-two".