31142300123423 has 2 divisors, whose sum is σ = 31142300123424. Its totient is φ = 31142300123422.

The previous prime is 31142300123399. The next prime is 31142300123443. The reversal of 31142300123423 is 32432100324113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31142300123423 - 2²² = 31142295929119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31142300123443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15571150061711 + 15571150061712.

It is an arithmetic number, because the mean of its divisors is an integer number (15571150061712).

Almost surely, 2^{31142300123423} is an apocalyptic number.

31142300123423 is a deficient number, since it is larger than the sum of its proper divisors (1).

31142300123423 is an equidigital number, since it uses as much as digits as its factorization.

31142300123423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 31142300123423 its reverse (32432100324113), we get a palindrome (63574400447536).

The spelling of 31142300123423 in words is "thirty-one trillion, one hundred forty-two billion, three hundred million, one hundred twenty-three thousand, four hundred twenty-three".