23381148 has 24 divisors (see below), whose sum is σ = 62349952. Its totient is φ = 6680304.

The previous prime is 23381147. The next prime is 23381201. The reversal of 23381148 is 84118332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23381147) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 139090 + ... + 139257.

Almost surely, 2^23381148 is an apocalyptic number.

23381148 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23381148 is an abundant number, since it is smaller than the sum of its proper divisors (38968804).

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

23381148 is a wasteful number, since it uses less digits than its factorization.

23381148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278361 (or 278359 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 23381148 is about 4835.4056706754. The cubic root of 23381148 is about 285.9490185751.

It can be divided in two parts, 2338 and 1148, that added together give a triangular number (3486 = T₈₃).

The spelling of 23381148 in words is "twenty-three million, three hundred eighty-one thousand, one hundred forty-eight".