23313031349 has 2 divisors, whose sum is σ = 23313031350. Its totient is φ = 23313031348.

The previous prime is 23313031309. The next prime is 23313031363. The reversal of 23313031349 is 94313031332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21202272100 + 2110759249 = 145610^2 + 45943^2 .

It is a cyclic number.

It is not a de Polignac number, because 23313031349 - 2¹² = 23313027253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23313031309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11656515674 + 11656515675.

It is an arithmetic number, because the mean of its divisors is an integer number (11656515675).

Almost surely, 2^23313031349 is an apocalyptic number.

It is an amenable number.

23313031349 is a deficient number, since it is larger than the sum of its proper divisors (1).

23313031349 is an equidigital number, since it uses as much as digits as its factorization.

23313031349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 32.

The spelling of 23313031349 in words is "twenty-three billion, three hundred thirteen million, thirty-one thousand, three hundred forty-nine".