23232261691 has 2 divisors, whose sum is σ = 23232261692. Its totient is φ = 23232261690.

The previous prime is 23232261677. The next prime is 23232261721. The reversal of 23232261691 is 19616223232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23232261691 - 2¹¹ = 23232259643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23232261691.

It is not a weakly prime, because it can be changed into another prime (23232261641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11616130845 + 11616130846.

It is an arithmetic number, because the mean of its divisors is an integer number (11616130846).

Almost surely, 2^23232261691 is an apocalyptic number.

23232261691 is a deficient number, since it is larger than the sum of its proper divisors (1).

23232261691 is an equidigital number, since it uses as much as digits as its factorization.

23232261691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 37.

The spelling of 23232261691 in words is "twenty-three billion, two hundred thirty-two million, two hundred sixty-one thousand, six hundred ninety-one".