23450442503 has 2 divisors, whose sum is σ = 23450442504. Its totient is φ = 23450442502.

The previous prime is 23450442467. The next prime is 23450442517. The reversal of 23450442503 is 30524405432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23450442503 - 2¹⁶ = 23450376967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23450442503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23450432503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11725221251 + 11725221252.

It is an arithmetic number, because the mean of its divisors is an integer number (11725221252).

Almost surely, 2^23450442503 is an apocalyptic number.

23450442503 is a deficient number, since it is larger than the sum of its proper divisors (1).

23450442503 is an equidigital number, since it uses as much as digits as its factorization.

23450442503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 23450442503 its reverse (30524405432), we get a palindrome (53974847935).

The spelling of 23450442503 in words is "twenty-three billion, four hundred fifty million, four hundred forty-two thousand, five hundred three".