1423145364157 has 4 divisors (see below), whose sum is σ = 1552522215456. Its totient is φ = 1293768512860.

The previous prime is 1423145364049. The next prime is 1423145364167. The reversal of 1423145364157 is 7514635413241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1423145364157 - 2¹⁵ = 1423145331389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423145364167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64688425633 + ... + 64688425654.

It is an arithmetic number, because the mean of its divisors is an integer number (388130553864).

Almost surely, 2^{1423145364157} is an apocalyptic number.

It is an amenable number.

1423145364157 is a deficient number, since it is larger than the sum of its proper divisors (129376851299).

1423145364157 is a wasteful number, since it uses less digits than its factorization.

1423145364157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129376851298.

The product of its digits is 1209600, while the sum is 46.

The spelling of 1423145364157 in words is "one trillion, four hundred twenty-three billion, one hundred forty-five million, three hundred sixty-four thousand, one hundred fifty-seven".