23503641 has 8 divisors (see below), whose sum is σ = 35815104. Its totient is φ = 13430640.

The previous prime is 23503633. The next prime is 23503657. The reversal of 23503641 is 14630532.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23503641 - 2³ = 23503633 is a prime.

It is a super-2 number, since 2×23503641² = 1104842280513762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23503541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559590 + ... + 559631.

It is an arithmetic number, because the mean of its divisors is an integer number (4476888).

Almost surely, 2^23503641 is an apocalyptic number.

23503641 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23503641 is a deficient number, since it is larger than the sum of its proper divisors (12311463).

23503641 is a wasteful number, since it uses less digits than its factorization.

23503641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119231.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 23503641 is about 4848.0553833470. The cubic root of 23503641 is about 286.4475079645.

The spelling of 23503641 in words is "twenty-three million, five hundred three thousand, six hundred forty-one".