23017405423 has 2 divisors, whose sum is σ = 23017405424. Its totient is φ = 23017405422.

The previous prime is 23017405393. The next prime is 23017405427. The reversal of 23017405423 is 32450471032.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23017405423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23017405427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11508702711 + 11508702712.

It is an arithmetic number, because the mean of its divisors is an integer number (11508702712).

Almost surely, 2^23017405423 is an apocalyptic number.

23017405423 is a deficient number, since it is larger than the sum of its proper divisors (1).

23017405423 is an equidigital number, since it uses as much as digits as its factorization.

23017405423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 31.

Adding to 23017405423 its reverse (32450471032), we get a palindrome (55467876455).

The spelling of 23017405423 in words is "twenty-three billion, seventeen million, four hundred five thousand, four hundred twenty-three".