23472261 has 20 divisors (see below), whose sum is σ = 35279244. Its totient is φ = 15552000.

The previous prime is 23472227. The next prime is 23472263. The reversal of 23472261 is 16227432.

It can be written as a sum of positive squares in 2 ways, for example, as 12383361 + 11088900 = 3519^2 + 3330^2 .

It is not a de Polignac number, because 23472261 - 2¹⁷ = 23341189 is a prime.

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 (23472263) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13861 + ... + 15461.

Almost surely, 2^23472261 is an apocalyptic number.

It is an amenable number.

23472261 is a deficient number, since it is larger than the sum of its proper divisors (11806983).

23472261 is a wasteful number, since it uses less digits than its factorization.

23472261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794 (or 1785 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 23472261 is about 4844.8179532362. The cubic root of 23472261 is about 286.3199713262.

Adding to 23472261 its reverse (16227432), we get a palindrome (39699693).

The spelling of 23472261 in words is "twenty-three million, four hundred seventy-two thousand, two hundred sixty-one".