23486140 has 12 divisors (see below), whose sum is σ = 49320936. Its totient is φ = 9394448.

The previous prime is 23486131. The next prime is 23486171. The reversal of 23486140 is 4168432.

It is a junction number, because it is equal to n+sod(n) for n = 23486099 and 23486108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587134 + ... + 587173.

It is an arithmetic number, because the mean of its divisors is an integer number (4110078).

Almost surely, 2^23486140 is an apocalyptic number.

23486140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23486140 is an abundant number, since it is smaller than the sum of its proper divisors (25834796).

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

23486140 is a wasteful number, since it uses less digits than its factorization.

23486140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174316 (or 1174314 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 23486140 is about 4846.2500967243. The cubic root of 23486140 is about 286.3763932718.

The spelling of 23486140 in words is "twenty-three million, four hundred eighty-six thousand, one hundred forty".