23163972 has 48 divisors (see below), whose sum is σ = 58941120. Its totient is φ = 7037568.

The previous prime is 23163947. The next prime is 23163989. The reversal of 23163972 is 27936132.

It is a happy 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, 12054 + ... + 13842.

It is an arithmetic number, because the mean of its divisors is an integer number (1227940).

Almost surely, 2^23163972 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 23163972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29470560).

23163972 is an abundant number, since it is smaller than the sum of its proper divisors (35777148).

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

23163972 is a wasteful number, since it uses less digits than its factorization.

23163972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892 (or 1890 counting only the distinct ones).

The product of its digits is 13608, while the sum is 33.

The square root of 23163972 is about 4812.8964252309. The cubic root of 23163972 is about 285.0609164954.

The spelling of 23163972 in words is "twenty-three million, one hundred sixty-three thousand, nine hundred seventy-two".