23132320973 has 2 divisors, whose sum is σ = 23132320974. Its totient is φ = 23132320972.

The previous prime is 23132320969. The next prime is 23132321053. The reversal of 23132320973 is 37902323132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15875496004 + 7256824969 = 125998^2 + 85187^2 .

It is a cyclic number.

It is not a de Polignac number, because 23132320973 - 2² = 23132320969 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23132320933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11566160486 + 11566160487.

It is an arithmetic number, because the mean of its divisors is an integer number (11566160487).

Almost surely, 2^23132320973 is an apocalyptic number.

It is an amenable number.

23132320973 is a deficient number, since it is larger than the sum of its proper divisors (1).

23132320973 is an equidigital number, since it uses as much as digits as its factorization.

23132320973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 35.

The spelling of 23132320973 in words is "twenty-three billion, one hundred thirty-two million, three hundred twenty thousand, nine hundred seventy-three".