23720270 has 64 divisors (see below), whose sum is σ = 53415936. Its totient is φ = 7395840.

The previous prime is 23720269. The next prime is 23720273. The reversal of 23720270 is 7202732.

23720270 is nontrivially palindromic in base 6.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23720273) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36569 + ... + 37211.

It is an arithmetic number, because the mean of its divisors is an integer number (834624).

Almost surely, 2^23720270 is an apocalyptic number.

23720270 is an abundant number, since it is smaller than the sum of its proper divisors (29695666).

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

23720270 is a wasteful number, since it uses less digits than its factorization.

23720270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705.

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 23720270 is about 4870.3459836032. The cubic root of 23720270 is about 287.3248637183.

The spelling of 23720270 in words is "twenty-three million, seven hundred twenty thousand, two hundred seventy".