23323545 has 80 divisors (see below), whose sum is σ = 50413440. Its totient is φ = 10077696.

The previous prime is 23323543. The next prime is 23323561. The reversal of 23323545 is 54532332.

It is not a de Polignac number, because 23323545 - 2¹ = 23323543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23323543) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 53649 + ... + 54081.

It is an arithmetic number, because the mean of its divisors is an integer number (630168).

Almost surely, 2^23323545 is an apocalyptic number.

It is an amenable number.

23323545 is an abundant number, since it is smaller than the sum of its proper divisors (27089895).

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

23323545 is a wasteful number, since it uses less digits than its factorization.

23323545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 467 counting only the distinct ones).

The product of its digits is 10800, while the sum is 27.

The square root of 23323545 is about 4829.4456203585. The cubic root of 23323545 is about 285.7139992259.

Adding to 23323545 its reverse (54532332), we get a palindrome (77855877).

The spelling of 23323545 in words is "twenty-three million, three hundred twenty-three thousand, five hundred forty-five".