23203432393 has 2 divisors, whose sum is σ = 23203432394. Its totient is φ = 23203432392.

The previous prime is 23203432381. The next prime is 23203432459. The reversal of 23203432393 is 39323430232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23188284729 + 15147664 = 152277^2 + 3892^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23203432393 is a prime.

It is not a weakly prime, because it can be changed into another prime (23203432313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11601716196 + 11601716197.

It is an arithmetic number, because the mean of its divisors is an integer number (11601716197).

Almost surely, 2^23203432393 is an apocalyptic number.

It is an amenable number.

23203432393 is a deficient number, since it is larger than the sum of its proper divisors (1).

23203432393 is an equidigital number, since it uses as much as digits as its factorization.

23203432393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 34.

The spelling of 23203432393 in words is "twenty-three billion, two hundred three million, four hundred thirty-two thousand, three hundred ninety-three".