23415820783 has 2 divisors, whose sum is σ = 23415820784. Its totient is φ = 23415820782.

The previous prime is 23415820781. The next prime is 23415820787. The reversal of 23415820783 is 38702851432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23415820783 - 2¹ = 23415820781 is a prime.

Together with 23415820781, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23415820781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11707910391 + 11707910392.

It is an arithmetic number, because the mean of its divisors is an integer number (11707910392).

Almost surely, 2^23415820783 is an apocalyptic number.

23415820783 is a deficient number, since it is larger than the sum of its proper divisors (1).

23415820783 is an equidigital number, since it uses as much as digits as its factorization.

23415820783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 23415820783 in words is "twenty-three billion, four hundred fifteen million, eight hundred twenty thousand, seven hundred eighty-three".