23378029 has 4 divisors (see below), whose sum is σ = 23659776. Its totient is φ = 23096284.

The previous prime is 23378023. The next prime is 23378041. The reversal of 23378029 is 92087332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23378029 - 2³ = 23378021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23377985 and 23378003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23378021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140749 + ... + 140914.

It is an arithmetic number, because the mean of its divisors is an integer number (5914944).

Almost surely, 2^23378029 is an apocalyptic number.

It is an amenable number.

23378029 is a deficient number, since it is larger than the sum of its proper divisors (281747).

23378029 is an equidigital number, since it uses as much as digits as its factorization.

23378029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281746.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 23378029 is about 4835.0831430287. The cubic root of 23378029 is about 285.9363029940.

The spelling of 23378029 in words is "twenty-three million, three hundred seventy-eight thousand, twenty-nine".