23310221047 has 2 divisors, whose sum is σ = 23310221048. Its totient is φ = 23310221046.

The previous prime is 23310221017. The next prime is 23310221101. The reversal of 23310221047 is 74012201332.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23310221047 - 2³¹ = 21162737399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23310221017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11655110523 + 11655110524.

It is an arithmetic number, because the mean of its divisors is an integer number (11655110524).

Almost surely, 2^23310221047 is an apocalyptic number.

23310221047 is a deficient number, since it is larger than the sum of its proper divisors (1).

23310221047 is an equidigital number, since it uses as much as digits as its factorization.

23310221047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

Adding to 23310221047 its reverse (74012201332), we get a palindrome (97322422379).

The spelling of 23310221047 in words is "twenty-three billion, three hundred ten million, two hundred twenty-one thousand, forty-seven".