23031631429 has 2 divisors, whose sum is σ = 23031631430. Its totient is φ = 23031631428.

The previous prime is 23031631391. The next prime is 23031631453. The reversal of 23031631429 is 92413613032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14646566529 + 8385064900 = 121023^2 + 91570^2 .

It is a cyclic number.

It is not a de Polignac number, because 23031631429 - 2⁹ = 23031630917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23031631394 and 23031631403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23031631459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11515815714 + 11515815715.

It is an arithmetic number, because the mean of its divisors is an integer number (11515815715).

Almost surely, 2^23031631429 is an apocalyptic number.

It is an amenable number.

23031631429 is a deficient number, since it is larger than the sum of its proper divisors (1).

23031631429 is an equidigital number, since it uses as much as digits as its factorization.

23031631429 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 34.

The spelling of 23031631429 in words is "twenty-three billion, thirty-one million, six hundred thirty-one thousand, four hundred twenty-nine".