23534620 has 24 divisors (see below), whose sum is σ = 49596624. Its totient is φ = 9380736.

The previous prime is 23534617. The next prime is 23534663. The reversal of 23534620 is 2643532.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4224 + ... + 8056.

It is an arithmetic number, because the mean of its divisors is an integer number (2066526).

Almost surely, 2^23534620 is an apocalyptic number.

23534620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23534620 is an abundant number, since it is smaller than the sum of its proper divisors (26062004).

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

23534620 is a wasteful number, since it uses less digits than its factorization.

23534620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4149 (or 4147 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 23534620 is about 4851.2493236279. The cubic root of 23534620 is about 286.5733035306.

The spelling of 23534620 in words is "twenty-three million, five hundred thirty-four thousand, six hundred twenty".