23649948 has 144 divisors (see below), whose sum is σ = 73735200. Its totient is φ = 6531840.

The previous prime is 23649947. The next prime is 23649949. The reversal of 23649948 is 84994632.

It is an interprime number because it is at equal distance from previous prime (23649947) and next prime (23649949).

Its product of digits (373248) is a multiple of the sum of its prime divisors (162).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23649943) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 216918 + ... + 217026.

It is an arithmetic number, because the mean of its divisors is an integer number (512050).

Almost surely, 2^23649948 is an apocalyptic number.

23649948 is a gapful number since it is divisible by the number (28) 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 23649948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36867600).

23649948 is an abundant number, since it is smaller than the sum of its proper divisors (50085252).

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

23649948 is a wasteful number, since it uses less digits than its factorization.

23649948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 162 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 23649948 is about 4863.1212199574. The cubic root of 23649948 is about 287.0406446502.

The spelling of 23649948 in words is "twenty-three million, six hundred forty-nine thousand, nine hundred forty-eight".