23163620 has 24 divisors (see below), whose sum is σ = 48734784. Its totient is φ = 9248096.

The previous prime is 23163619. The next prime is 23163629. The reversal of 23163620 is 2636132.

It is not an unprimeable number, because it can be changed into a prime (23163629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18329 + ... + 19551.

It is an arithmetic number, because the mean of its divisors is an integer number (2030616).

Almost surely, 2^23163620 is an apocalyptic number.

23163620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23163620 is an abundant number, since it is smaller than the sum of its proper divisors (25571164).

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

23163620 is a wasteful number, since it uses less digits than its factorization.

23163620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179 (or 2177 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 23163620 is about 4812.8598566757. The cubic root of 23163620 is about 285.0594725584.

Adding to 23163620 its reverse (2636132), we get a palindrome (25799752).

The spelling of 23163620 in words is "twenty-three million, one hundred sixty-three thousand, six hundred twenty".