23701720 has 32 divisors (see below), whose sum is σ = 60948000. Its totient is φ = 8126208.

The previous prime is 23701709. The next prime is 23701739. The reversal of 23701720 is 2710732.

It is a junction number, because it is equal to n+sod(n) for n = 23701691 and 23701700.

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, 42045 + ... + 42604.

It is an arithmetic number, because the mean of its divisors is an integer number (1904625).

Almost surely, 2^23701720 is an apocalyptic number.

23701720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23701720 is an abundant number, since it is smaller than the sum of its proper divisors (37246280).

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

23701720 is a wasteful number, since it uses less digits than its factorization.

23701720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84667 (or 84663 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 23701720 is about 4868.4412289767. The cubic root of 23701720 is about 287.2499451472.

The spelling of 23701720 in words is "twenty-three million, seven hundred one thousand, seven hundred twenty".