23427691 has 8 divisors (see below), whose sum is σ = 26914784. Its totient is φ = 19975680.

The previous prime is 23427641. The next prime is 23427707. The reversal of 23427691 is 19672432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23427691 - 2¹³ = 23419499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23427611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7320 + ... + 10021.

It is an arithmetic number, because the mean of its divisors is an integer number (3364348).

Almost surely, 2^23427691 is an apocalyptic number.

23427691 is the 2795-th hex number.

23427691 is a deficient number, since it is larger than the sum of its proper divisors (3487093).

23427691 is a wasteful number, since it uses less digits than its factorization.

23427691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17541.

The product of its digits is 18144, while the sum is 34.

The square root of 23427691 is about 4840.2160075765. The cubic root of 23427691 is about 286.1386315048.

The spelling of 23427691 in words is "twenty-three million, four hundred twenty-seven thousand, six hundred ninety-one".