1423521433097 has 2 divisors, whose sum is σ = 1423521433098. Its totient is φ = 1423521433096.

The previous prime is 1423521433067. The next prime is 1423521433123. The reversal of 1423521433097 is 7903341253241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 768294322576 + 655227110521 = 876524^2 + 809461^2 .

It is a cyclic number.

It is not a de Polignac number, because 1423521433097 - 2²⁶ = 1423454324233 is a prime.

It is a super-2 number, since 2×1423521433097² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1423521433057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711760716548 + 711760716549.

It is an arithmetic number, because the mean of its divisors is an integer number (711760716549).

Almost surely, 2^{1423521433097} is an apocalyptic number.

It is an amenable number.

1423521433097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423521433097 is an equidigital number, since it uses as much as digits as its factorization.

1423521433097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 1423521433097 in words is "one trillion, four hundred twenty-three billion, five hundred twenty-one million, four hundred thirty-three thousand, ninety-seven".