23147235 has 32 divisors (see below), whose sum is σ = 42485760. Its totient is φ = 11944800.

The previous prime is 23147233. The next prime is 23147239. The reversal of 23147235 is 53274132.

It is not a de Polignac number, because 23147235 - 2¹ = 23147233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 23147199 and 23147208.

It is not an unprimeable number, because it can be changed into a prime (23147231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1420 + ... + 6950.

It is an arithmetic number, because the mean of its divisors is an integer number (1327680).

Almost surely, 2^23147235 is an apocalyptic number.

23147235 is a deficient number, since it is larger than the sum of its proper divisors (19338525).

23147235 is a wasteful number, since it uses less digits than its factorization.

23147235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5576 (or 5570 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 23147235 is about 4811.1573451717. The cubic root of 23147235 is about 284.9922435562.

The spelling of 23147235 in words is "twenty-three million, one hundred forty-seven thousand, two hundred thirty-five".