23412420040 has 16 divisors (see below), whose sum is σ = 52677945180. Its totient is φ = 9364968000.

The previous prime is 23412420023. The next prime is 23412420071. The reversal of 23412420040 is 4002421432.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19892845764 + 3519574276 = 141042^2 + 59326^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23412419993 and 23412420020.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292655211 + ... + 292655290.

Almost surely, 2^23412420040 is an apocalyptic number.

23412420040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23412420040 is an abundant number, since it is smaller than the sum of its proper divisors (29265525140).

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

23412420040 is a wasteful number, since it uses less digits than its factorization.

23412420040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585310512 (or 585310508 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 23412420040 its reverse (4002421432), we get a palindrome (27414841472).

The spelling of 23412420040 in words is "twenty-three billion, four hundred twelve million, four hundred twenty thousand, forty".