23146507 has 2 divisors, whose sum is σ = 23146508. Its totient is φ = 23146506.

The previous prime is 23146483. The next prime is 23146547. The reversal of 23146507 is 70564132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23146507 is a prime.

It is not a weakly prime, because it can be changed into another prime (23146547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11573253 + 11573254.

It is an arithmetic number, because the mean of its divisors is an integer number (11573254).

Almost surely, 2^23146507 is an apocalyptic number.

23146507 is a deficient number, since it is larger than the sum of its proper divisors (1).

23146507 is an equidigital number, since it uses as much as digits as its factorization.

23146507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 23146507 is about 4811.0816871053. The cubic root of 23146507 is about 284.9892557763.

It can be divided in two parts, 23146 and 507, that added together give a triangular number (23653 = T₂₁₇).

The spelling of 23146507 in words is "twenty-three million, one hundred forty-six thousand, five hundred seven".