23401040 has 40 divisors (see below), whose sum is σ = 58595208. Its totient is φ = 8640000.

The previous prime is 23401019. The next prime is 23401093. The reversal of 23401040 is 4010432.

It can be written as a sum of positive squares in 4 ways, for example, as 5626384 + 17774656 = 2372^2 + 4216^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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, 10211 + ... + 12290.

Almost surely, 2^23401040 is an apocalyptic number.

23401040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23401040 is an abundant number, since it is smaller than the sum of its proper divisors (35194168).

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

23401040 is a wasteful number, since it uses less digits than its factorization.

23401040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22527 (or 22521 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 23401040 is about 4837.4621445547. The cubic root of 23401040 is about 286.0300879556.

Adding to 23401040 its reverse (4010432), we get a palindrome (27411472).

It can be divided in two parts, 2340 and 1040, that multiplied together give a square (2433600 = 1560²).

The spelling of 23401040 in words is "twenty-three million, four hundred one thousand, forty".