23474140 has 24 divisors (see below), whose sum is σ = 50499792. Its totient is φ = 9160320.

The previous prime is 23474111. The next prime is 23474149. The reversal of 23474140 is 4147432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23474149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13494 + ... + 15133.

It is an arithmetic number, because the mean of its divisors is an integer number (2104158).

Almost surely, 2^23474140 is an apocalyptic number.

23474140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23474140 is an abundant number, since it is smaller than the sum of its proper divisors (27025652).

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

23474140 is a wasteful number, since it uses less digits than its factorization.

23474140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28677 (or 28675 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 23474140 is about 4845.0118678905. The cubic root of 23474140 is about 286.3276112786.

The spelling of 23474140 in words is "twenty-three million, four hundred seventy-four thousand, one hundred forty".