23203203073 has 2 divisors, whose sum is σ = 23203203074. Its totient is φ = 23203203072.

The previous prime is 23203203071. The next prime is 23203203169. The reversal of 23203203073 is 37030230232.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17306191809 + 5897011264 = 131553^2 + 76792^2 .

It is a cyclic number.

It is not a de Polignac number, because 23203203073 - 2¹ = 23203203071 is a prime.

Together with 23203203071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23203203071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11601601536 + 11601601537.

It is an arithmetic number, because the mean of its divisors is an integer number (11601601537).

Almost surely, 2^23203203073 is an apocalyptic number.

It is an amenable number.

23203203073 is a deficient number, since it is larger than the sum of its proper divisors (1).

23203203073 is an equidigital number, since it uses as much as digits as its factorization.

23203203073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 25.

The spelling of 23203203073 in words is "twenty-three billion, two hundred three million, two hundred three thousand, seventy-three".