23561433 has 24 divisors (see below), whose sum is σ = 39539136. Its totient is φ = 13240800.

The previous prime is 23561431. The next prime is 23561437. The reversal of 23561433 is 33416532.

It is a happy number.

It is not a de Polignac number, because 23561433 - 2¹ = 23561431 is a prime.

It is a super-2 number, since 2×23561433² = 1110282250026978, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23561397 and 23561406.

It is not an unprimeable number, because it can be changed into a prime (23561431) 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 23 ways as a sum of consecutive naturals, for example, 778 + ... + 6908.

It is an arithmetic number, because the mean of its divisors is an integer number (1647464).

Almost surely, 2^23561433 is an apocalyptic number.

It is an amenable number.

23561433 is a deficient number, since it is larger than the sum of its proper divisors (15977703).

23561433 is a wasteful number, since it uses less digits than its factorization.

23561433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6205 (or 6202 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 23561433 is about 4854.0120519010. The cubic root of 23561433 is about 286.6820932447.

Adding to 23561433 its reverse (33416532), we get a palindrome (56977965).

The spelling of 23561433 in words is "twenty-three million, five hundred sixty-one thousand, four hundred thirty-three".