23049620 has 48 divisors (see below), whose sum is σ = 55919808. Its totient is φ = 7887360.

The previous prime is 23049617. The next prime is 23049629. The reversal of 23049620 is 2694032.

It is a self number, because there is not a number n which added to its sum of digits gives 23049620.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23049629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 659 + ... + 6821.

It is an arithmetic number, because the mean of its divisors is an integer number (1164996).

Almost surely, 2^23049620 is an apocalyptic number.

23049620 is a gapful number since it is divisible by the number (20) 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 23049620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27959904).

23049620 is an abundant number, since it is smaller than the sum of its proper divisors (32870188).

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

23049620 is a wasteful number, since it uses less digits than its factorization.

23049620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6200 (or 6198 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 23049620 is about 4801.0019787540. The cubic root of 23049620 is about 284.5910622208.

The spelling of 23049620 in words is "twenty-three million, forty-nine thousand, six hundred twenty".