23040430404 has 12 divisors (see below), whose sum is σ = 53761004304. Its totient is φ = 7680143464.

The previous prime is 23040430363. The next prime is 23040430417. The reversal of 23040430404 is 40403404032.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×23040430404² (a number of 22 digits) contains 22 as substring.

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, 960017922 + ... + 960017945.

It is an arithmetic number, because the mean of its divisors is an integer number (4480083692).

Almost surely, 2^23040430404 is an apocalyptic number.

It is an amenable number.

23040430404 is an abundant number, since it is smaller than the sum of its proper divisors (30720573900).

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

23040430404 is a wasteful number, since it uses less digits than its factorization.

23040430404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920035874 (or 1920035872 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 23040430404 its reverse (40403404032), we get a palindrome (63443834436).

The spelling of 23040430404 in words is "twenty-three billion, forty million, four hundred thirty thousand, four hundred four".