23761920 has 352 divisors, whose sum is σ = 99042048. Its totient is φ = 4718592.

The previous prime is 23761897. The next prime is 23761957. The reversal of 23761920 is 2916732.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1397752 + ... + 1397768.

Almost surely, 2^23761920 is an apocalyptic number.

23761920 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 23761920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49521024).

23761920 is an abundant number, since it is smaller than the sum of its proper divisors (75280128).

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

23761920 is a wasteful number, since it uses less digits than its factorization.

23761920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 23761920 is about 4874.6199851886. The cubic root of 23761920 is about 287.4929349241.

The spelling of 23761920 in words is "twenty-three million, seven hundred sixty-one thousand, nine hundred twenty".