23173087 has 16 divisors (see below), whose sum is σ = 27320832. Its totient is φ = 19242720.

The previous prime is 23173081. The next prime is 23173093. The reversal of 23173087 is 78037132.

It is an interprime number because it is at equal distance from previous prime (23173081) and next prime (23173093).

It is not a de Polignac number, because 23173087 - 2¹¹ = 23171039 is a prime.

It is a super-2 number, since 2×23173087² = 1073983922219138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23173081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50037 + ... + 50497.

It is an arithmetic number, because the mean of its divisors is an integer number (1707552).

Almost surely, 2^23173087 is an apocalyptic number.

23173087 is a deficient number, since it is larger than the sum of its proper divisors (4147745).

23173087 is a wasteful number, since it uses less digits than its factorization.

23173087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 23173087 is about 4813.8432670788. The cubic root of 23173087 is about 285.0983019881.

The spelling of 23173087 in words is "twenty-three million, one hundred seventy-three thousand, eighty-seven".