23433021 has 24 divisors (see below), whose sum is σ = 37402560. Its totient is φ = 14061696.

The previous prime is 23433013. The next prime is 23433029. The reversal of 23433021 is 12033432.

It is an interprime number because it is at equal distance from previous prime (23433013) and next prime (23433029).

It is not a de Polignac number, because 23433021 - 2³ = 23433013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23432985 and 23433003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23433029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190 + ... + 6848.

It is an arithmetic number, because the mean of its divisors is an integer number (1558440).

Almost surely, 2^23433021 is an apocalyptic number.

It is an amenable number.

23433021 is a deficient number, since it is larger than the sum of its proper divisors (13969539).

23433021 is a wasteful number, since it uses less digits than its factorization.

23433021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6705 (or 6702 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 23433021 is about 4840.7665715256. The cubic root of 23433021 is about 286.1603295211.

Adding to 23433021 its reverse (12033432), we get a palindrome (35466453).

It can be divided in two parts, 2343 and 3021, that multiplied together give a triangular number (7078203 = T₃₇₆₂).

The spelling of 23433021 in words is "twenty-three million, four hundred thirty-three thousand, twenty-one".