23247401 has 4 divisors (see below), whose sum is σ = 23280900. Its totient is φ = 23213904.

The previous prime is 23247373. The next prime is 23247403. The reversal of 23247401 is 10474232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6885376 + 16362025 = 2624^2 + 4045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23247401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23247403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15686 + ... + 17103.

It is an arithmetic number, because the mean of its divisors is an integer number (5820225).

Almost surely, 2^23247401 is an apocalyptic number.

It is an amenable number.

23247401 is a deficient number, since it is larger than the sum of its proper divisors (33499).

23247401 is an equidigital number, since it uses as much as digits as its factorization.

23247401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33498.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 23247401 is about 4821.5558692190. Note that the first 3 decimals coincide. The cubic root of 23247401 is about 285.4027383001.

The spelling of 23247401 in words is "twenty-three million, two hundred forty-seven thousand, four hundred one".