23311021313429 has 2 divisors, whose sum is σ = 23311021313430. Its totient is φ = 23311021313428.

The previous prime is 23311021313417. The next prime is 23311021313441. The reversal of 23311021313429 is 92431312011332.

It is a balanced prime because it is at equal distance from previous prime (23311021313417) and next prime (23311021313441).

It can be written as a sum of positive squares in only one way, i.e., 16387939432804 + 6923081880625 = 4048202^2 + 2631175^2 .

It is a cyclic number.

It is not a de Polignac number, because 23311021313429 - 2¹² = 23311021309333 is a prime.

It is a super-2 number, since 2×23311021313429² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23311041313429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11655510656714 + 11655510656715.

It is an arithmetic number, because the mean of its divisors is an integer number (11655510656715).

Almost surely, 2^{23311021313429} is an apocalyptic number.

It is an amenable number.

23311021313429 is a deficient number, since it is larger than the sum of its proper divisors (1).

23311021313429 is an equidigital number, since it uses as much as digits as its factorization.

23311021313429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 35.

The spelling of 23311021313429 in words is "twenty-three trillion, three hundred eleven billion, twenty-one million, three hundred thirteen thousand, four hundred twenty-nine".