23920203 has 4 divisors (see below), whose sum is σ = 31893608. Its totient is φ = 15946800.

The previous prime is 23920201. The next prime is 23920213. The reversal of 23920203 is 30202932.

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

It is not a de Polignac number, because 23920203 - 2¹ = 23920201 is a prime.

It is a super-2 number, since 2×23920203² = 1144352223122418, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23920203.

It is not an unprimeable number, because it can be changed into a prime (23920201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3986698 + ... + 3986703.

It is an arithmetic number, because the mean of its divisors is an integer number (7973402).

Almost surely, 2^23920203 is an apocalyptic number.

23920203 is a deficient number, since it is larger than the sum of its proper divisors (7973405).

23920203 is an equidigital number, since it uses as much as digits as its factorization.

23920203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7973404.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 23920203 is about 4890.8284574293. The cubic root of 23920203 is about 288.1298724635.

The spelling of 23920203 in words is "twenty-three million, nine hundred twenty thousand, two hundred three".