1423746737953 has 4 divisors (see below), whose sum is σ = 1441768848640. Its totient is φ = 1405724627268.

The previous prime is 1423746737939. The next prime is 1423746737957. The reversal of 1423746737953 is 3597376473241.

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 a de Polignac number, because none of the positive numbers 2^k-1423746737953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1423746737891 and 1423746737900.

It is not an unprimeable number, because it can be changed into a prime (1423746737957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9011055225 + ... + 9011055382.

It is an arithmetic number, because the mean of its divisors is an integer number (360442212160).

Almost surely, 2^{1423746737953} is an apocalyptic number.

It is an amenable number.

1423746737953 is a deficient number, since it is larger than the sum of its proper divisors (18022110687).

1423746737953 is an equidigital number, since it uses as much as digits as its factorization.

1423746737953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18022110686.

The product of its digits is 80015040, while the sum is 61.

The spelling of 1423746737953 in words is "one trillion, four hundred twenty-three billion, seven hundred forty-six million, seven hundred thirty-seven thousand, nine hundred fifty-three".