23020788 has 120 divisors (see below), whose sum is σ = 67761792. Its totient is φ = 6058752.

The previous prime is 23020787. The next prime is 23020793. The reversal of 23020788 is 88702032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23020787) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 489781 + ... + 489827.

Almost surely, 2^23020788 is an apocalyptic number.

23020788 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 23020788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33880896).

23020788 is an abundant number, since it is smaller than the sum of its proper divisors (44741004).

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

23020788 is a wasteful number, since it uses less digits than its factorization.

23020788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 23020788 is about 4797.9983326383. The cubic root of 23020788 is about 284.4723508907.

The spelling of 23020788 in words is "twenty-three million, twenty thousand, seven hundred eighty-eight".