2423745148781 has 16 divisors (see below), whose sum is σ = 2677850668800. Its totient is φ = 2175273297600.

The previous prime is 2423745148753. The next prime is 2423745148789. The reversal of 2423745148781 is 1878415473242.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2423745148781 is a prime.

It is a super-2 number, since 2×2423745148781² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2423745148789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7968035 + ... + 8266623.

It is an arithmetic number, because the mean of its divisors is an integer number (167365666800).

Almost surely, 2^{2423745148781} is an apocalyptic number.

It is an amenable number.

2423745148781 is a deficient number, since it is larger than the sum of its proper divisors (254105520019).

2423745148781 is a wasteful number, since it uses less digits than its factorization.

2423745148781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308020.

The product of its digits is 12042240, while the sum is 56.

The spelling of 2423745148781 in words is "two trillion, four hundred twenty-three billion, seven hundred forty-five million, one hundred forty-eight thousand, seven hundred eighty-one".