23403426 has 16 divisors (see below), whose sum is σ = 46873728. Its totient is φ = 7790000.

The previous prime is 23403379. The next prime is 23403431. The reversal of 23403426 is 62430432.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23403396 and 23403405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2551 + ... + 7301.

It is an arithmetic number, because the mean of its divisors is an integer number (2929608).

Almost surely, 2^23403426 is an apocalyptic number.

23403426 is an abundant number, since it is smaller than the sum of its proper divisors (23470302).

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

23403426 is a wasteful number, since it uses less digits than its factorization.

23403426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5577.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 23403426 is about 4837.7087551857. The cubic root of 23403426 is about 286.0398089565.

Adding to 23403426 its reverse (62430432), we get a palindrome (85833858).

The spelling of 23403426 in words is "twenty-three million, four hundred three thousand, four hundred twenty-six".