146423324557 has 2 divisors, whose sum is σ = 146423324558. Its totient is φ = 146423324556.

The previous prime is 146423324507. The next prime is 146423324659. The reversal of 146423324557 is 755423324641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131354780041 + 15068544516 = 362429^2 + 122754^2 .

It is an emirp because it is prime and its reverse (755423324641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146423324557 - 2²³ = 146414935949 is a prime.

It is a super-3 number, since 3×146423324557³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146423324507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73211662278 + 73211662279.

It is an arithmetic number, because the mean of its divisors is an integer number (73211662279).

Almost surely, 2^146423324557 is an apocalyptic number.

It is an amenable number.

146423324557 is a deficient number, since it is larger than the sum of its proper divisors (1).

146423324557 is an equidigital number, since it uses as much as digits as its factorization.

146423324557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2419200, while the sum is 46.

The spelling of 146423324557 in words is "one hundred forty-six billion, four hundred twenty-three million, three hundred twenty-four thousand, five hundred fifty-seven".