23474421 has 32 divisors (see below), whose sum is σ = 36741120. Its totient is φ = 14783472.

The previous prime is 23474419. The next prime is 23474441. The reversal of 23474421 is 12447432.

23474421 is a `hidden beast` number, since 234 + 7 + 4 + 421 = 666.

It is not a de Polignac number, because 23474421 - 2¹ = 23474419 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 (23474401) 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 31 ways as a sum of consecutive naturals, for example, 63780 + ... + 64146.

It is an arithmetic number, because the mean of its divisors is an integer number (1148160).

Almost surely, 2^23474421 is an apocalyptic number.

It is an amenable number.

23474421 is a deficient number, since it is larger than the sum of its proper divisors (13266699).

23474421 is a wasteful number, since it uses less digits than its factorization.

23474421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502 (or 496 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 23474421 is about 4845.0408667007. The cubic root of 23474421 is about 286.3287537803.

The spelling of 23474421 in words is "twenty-three million, four hundred seventy-four thousand, four hundred twenty-one".