23423124440 has 16 divisors (see below), whose sum is σ = 52702030080. Its totient is φ = 9369249760.

The previous prime is 23423124421. The next prime is 23423124443. The reversal of 23423124440 is 4442132432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23423124443) 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, 292789016 + ... + 292789095.

It is an arithmetic number, because the mean of its divisors is an integer number (3293876880).

Almost surely, 2^23423124440 is an apocalyptic number.

23423124440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23423124440 is an abundant number, since it is smaller than the sum of its proper divisors (29278905640).

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

23423124440 is a wasteful number, since it uses less digits than its factorization.

23423124440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585578122 (or 585578118 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 23423124440 its reverse (4442132432), we get a palindrome (27865256872).

The spelling of 23423124440 in words is "twenty-three billion, four hundred twenty-three million, one hundred twenty-four thousand, four hundred forty".