23261428 has 12 divisors (see below), whose sum is σ = 41573952. Its totient is φ = 11383160.

The previous prime is 23261387. The next prime is 23261429. The reversal of 23261428 is 82416232.

It is a junction number, because it is equal to n+sod(n) for n = 23261396 and 23261405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23261429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61678 + ... + 62053.

It is an arithmetic number, because the mean of its divisors is an integer number (3464496).

Almost surely, 2^23261428 is an apocalyptic number.

It is an amenable number.

23261428 is a deficient number, since it is larger than the sum of its proper divisors (18312524).

23261428 is a wasteful number, since it uses less digits than its factorization.

23261428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123782 (or 123780 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 23261428 is about 4823.0102633107. The cubic root of 23261428 is about 285.4601287915.

The spelling of 23261428 in words is "twenty-three million, two hundred sixty-one thousand, four hundred twenty-eight".