23087506 has 16 divisors (see below), whose sum is σ = 37427544. Its totient is φ = 10617984.

The previous prime is 23087503. The next prime is 23087531. The reversal of 23087506 is 60578032.

It can be written as a sum of positive squares in 4 ways, for example, as 2430481 + 20657025 = 1559^2 + 4545^2 .

It is not an unprimeable number, because it can be changed into a prime (23087503) 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, 6720 + ... + 9556.

Almost surely, 2^23087506 is an apocalyptic number.

23087506 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

23087506 is a deficient number, since it is larger than the sum of its proper divisors (14340038).

23087506 is a wasteful number, since it uses less digits than its factorization.

23087506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3165.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 23087506 is about 4804.9459934530. The cubic root of 23087506 is about 284.7469015941.

The spelling of 23087506 in words is "twenty-three million, eighty-seven thousand, five hundred six".