23257007 has 4 divisors (see below), whose sum is σ = 24481080. Its totient is φ = 22032936.

The previous prime is 23257001. The next prime is 23257009. The reversal of 23257007 is 70075232.

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

It is a cyclic number.

It is not a de Polignac number, because 23257007 - 2⁶ = 23256943 is a prime.

It is a super-3 number, since 3×23257007³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23257001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 612008 + ... + 612045.

It is an arithmetic number, because the mean of its divisors is an integer number (6120270).

Almost surely, 2^23257007 is an apocalyptic number.

23257007 is a deficient number, since it is larger than the sum of its proper divisors (1224073).

23257007 is a wasteful number, since it uses less digits than its factorization.

23257007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224072.

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 23257007 is about 4822.5519178128. The cubic root of 23257007 is about 285.4420430690.

The spelling of 23257007 in words is "twenty-three million, two hundred fifty-seven thousand, seven".