23978003 has 12 divisors (see below), whose sum is σ = 27974232. Its totient is φ = 20492640.

The previous prime is 23977999. The next prime is 23978021. The reversal of 23978003 is 30087932.

It is not a de Polignac number, because 23978003 - 2² = 23977999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23978023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27551 + ... + 28407.

It is an arithmetic number, because the mean of its divisors is an integer number (2331186).

Almost surely, 2^23978003 is an apocalyptic number.

23978003 is a deficient number, since it is larger than the sum of its proper divisors (3996229).

23978003 is an equidigital number, since it uses as much as digits as its factorization.

23978003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442 (or 1435 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 23978003 is about 4896.7339114965. The cubic root of 23978003 is about 288.3617616692.

The spelling of 23978003 in words is "twenty-three million, nine hundred seventy-eight thousand, three".