23401235 has 32 divisors (see below), whose sum is σ = 34449408. Its totient is φ = 15016320.

The previous prime is 23401211. The next prime is 23401267. The reversal of 23401235 is 53210432.

It is a happy number.

It is not a de Polignac number, because 23401235 - 2⁶ = 23401171 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15734 + ... + 17156.

It is an arithmetic number, because the mean of its divisors is an integer number (1076544).

Almost surely, 2^23401235 is an apocalyptic number.

23401235 is a deficient number, since it is larger than the sum of its proper divisors (11048173).

23401235 is a wasteful number, since it uses less digits than its factorization.

23401235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 23401235 is about 4837.4822997092. The cubic root of 23401235 is about 286.0308824461.

Adding to 23401235 its reverse (53210432), we get a palindrome (76611667).

The spelling of 23401235 in words is "twenty-three million, four hundred one thousand, two hundred thirty-five".