23231406 has 16 divisors (see below), whose sum is σ = 50686848. Its totient is φ = 7039800.

The previous prime is 23231399. The next prime is 23231473. The reversal of 23231406 is 60413232.

It is a happy number.

It is a congruent number.

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, 175930 + ... + 176061.

It is an arithmetic number, because the mean of its divisors is an integer number (3167928).

Almost surely, 2^23231406 is an apocalyptic number.

23231406 is an abundant number, since it is smaller than the sum of its proper divisors (27455442).

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

23231406 is a wasteful number, since it uses less digits than its factorization.

23231406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352007.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 23231406 is about 4819.8968868639. The cubic root of 23231406 is about 285.3372676960.

Adding to 23231406 its reverse (60413232), we get a palindrome (83644638).

The spelling of 23231406 in words is "twenty-three million, two hundred thirty-one thousand, four hundred six".