142323516400069 has 2 divisors, whose sum is σ = 142323516400070. Its totient is φ = 142323516400068.

The previous prime is 142323516399913. The next prime is 142323516400081. The reversal of 142323516400069 is 960004615323241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130920805695969 + 11402710704100 = 11442063^2 + 3376790^2 .

It is a cyclic number.

It is not a de Polignac number, because 142323516400069 - 2¹³ = 142323516391877 is a prime.

It is a super-2 number, since 2×142323516400069² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142323516400369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71161758200034 + 71161758200035.

It is an arithmetic number, because the mean of its divisors is an integer number (71161758200035).

Almost surely, 2^{142323516400069} is an apocalyptic number.

It is an amenable number.

142323516400069 is a deficient number, since it is larger than the sum of its proper divisors (1).

142323516400069 is an equidigital number, since it uses as much as digits as its factorization.

142323516400069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 142323516400069 in words is "one hundred forty-two trillion, three hundred twenty-three billion, five hundred sixteen million, four hundred thousand, sixty-nine".