23261403 has 12 divisors (see below), whose sum is σ = 34091624. Its totient is φ = 14097600.

The previous prime is 23261387. The next prime is 23261429. The reversal of 23261403 is 30416232.

It is a happy number.

It is not a de Polignac number, because 23261403 - 2⁴ = 23261387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23261403.

It is not an unprimeable number, because it can be changed into a prime (23261003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31678 + ... + 32403.

Almost surely, 2^23261403 is an apocalyptic number.

23261403 is a deficient number, since it is larger than the sum of its proper divisors (10830221).

23261403 is a wasteful number, since it uses less digits than its factorization.

23261403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64106 (or 64095 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 23261403 is about 4823.0076715676. The cubic root of 23261403 is about 285.4600265262.

Adding to 23261403 its reverse (30416232), we get a palindrome (53677635).

The spelling of 23261403 in words is "twenty-three million, two hundred sixty-one thousand, four hundred three".