23445580 has 12 divisors (see below), whose sum is σ = 49235760. Its totient is φ = 9378224.

The previous prime is 23445559. The next prime is 23445589. The reversal of 23445580 is 8554432.

It is not an unprimeable number, because it can be changed into a prime (23445589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586120 + ... + 586159.

It is an arithmetic number, because the mean of its divisors is an integer number (4102980).

Almost surely, 2^23445580 is an apocalyptic number.

23445580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23445580 is an abundant number, since it is smaller than the sum of its proper divisors (25790180).

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

23445580 is a wasteful number, since it uses less digits than its factorization.

23445580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172288 (or 1172286 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 23445580 is about 4842.0636096607. The cubic root of 23445580 is about 286.2114432282.

It can be divided in two parts, 23445 and 580, that added together give a square (24025 = 155²).

The spelling of 23445580 in words is "twenty-three million, four hundred forty-five thousand, five hundred eighty".