23603481 has 40 divisors (see below), whose sum is σ = 39204000. Its totient is φ = 14031360.

The previous prime is 23603467. The next prime is 23603501. The reversal of 23603481 is 18430632.

It is a happy number.

It is not a de Polignac number, because 23603481 - 2¹¹ = 23601433 is a prime.

It is a super-2 number, since 2×23603481² = 1114248630634722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23603441) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 52345 + ... + 52793.

It is an arithmetic number, because the mean of its divisors is an integer number (980100).

Almost surely, 2^23603481 is an apocalyptic number.

It is an amenable number.

23603481 is a deficient number, since it is larger than the sum of its proper divisors (15600519).

23603481 is a wasteful number, since it uses less digits than its factorization.

23603481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531 (or 522 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 23603481 is about 4858.3413836411. The cubic root of 23603481 is about 286.8525305995.

The spelling of 23603481 in words is "twenty-three million, six hundred three thousand, four hundred eighty-one".