23455340 has 24 divisors (see below), whose sum is σ = 49548240. Its totient is φ = 9326528.

The previous prime is 23455319. The next prime is 23455343. The reversal of 23455340 is 4355432.

It is not an unprimeable number, because it can be changed into a prime (23455343) 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, 71 + ... + 6849.

It is an arithmetic number, because the mean of its divisors is an integer number (2064510).

Almost surely, 2^23455340 is an apocalyptic number.

23455340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23455340 is an abundant number, since it is smaller than the sum of its proper divisors (26092900).

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

23455340 is a wasteful number, since it uses less digits than its factorization.

23455340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6961 (or 6959 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 23455340 is about 4843.0713395530. The cubic root of 23455340 is about 286.2511527194.

The spelling of 23455340 in words is "twenty-three million, four hundred fifty-five thousand, three hundred forty".