23040522 has 24 divisors (see below), whose sum is σ = 50207040. Its totient is φ = 7636200.

The previous prime is 23040497. The next prime is 23040541. The reversal of 23040522 is 22504032.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23040495 and 23040504.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 354 + ... + 6797.

It is an arithmetic number, because the mean of its divisors is an integer number (2091960).

Almost surely, 2^23040522 is an apocalyptic number.

23040522 is an abundant number, since it is smaller than the sum of its proper divisors (27166518).

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

23040522 is a wasteful number, since it uses less digits than its factorization.

23040522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7338 (or 7335 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 23040522 is about 4800.0543746920. The cubic root of 23040522 is about 284.5536132993.

Adding to 23040522 its reverse (22504032), we get a palindrome (45544554).

The spelling of 23040522 in words is "twenty-three million, forty thousand, five hundred twenty-two".