23377643 has 2 divisors, whose sum is σ = 23377644. Its totient is φ = 23377642.

The previous prime is 23377633. The next prime is 23377687. The reversal of 23377643 is 34677332.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23377643 is a prime.

It is not a weakly prime, because it can be changed into another prime (23377603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11688821 + 11688822.

It is an arithmetic number, because the mean of its divisors is an integer number (11688822).

Almost surely, 2^23377643 is an apocalyptic number.

23377643 is a deficient number, since it is larger than the sum of its proper divisors (1).

23377643 is an equidigital number, since it uses as much as digits as its factorization.

23377643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 35.

The square root of 23377643 is about 4835.0432262804. The cubic root of 23377643 is about 285.9347292654.

The spelling of 23377643 in words is "twenty-three million, three hundred seventy-seven thousand, six hundred forty-three".