4245123477731 has 4 divisors (see below), whose sum is σ = 4245283462200. Its totient is φ = 4244963493264.

The previous prime is 4245123477691. The next prime is 4245123477737. The reversal of 4245123477731 is 1377743215424.

4245123477731 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4245123477731 - 2¹⁴ = 4245123461347 is a prime.

It is a super-2 number, since 2×4245123477731² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4245123477731.

It is not an unprimeable number, because it can be changed into a prime (4245123477737) 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, 79952426 + ... + 80005503.

It is an arithmetic number, because the mean of its divisors is an integer number (1061320865550).

Almost surely, 2^{4245123477731} is an apocalyptic number.

4245123477731 is a deficient number, since it is larger than the sum of its proper divisors (159984469).

4245123477731 is a wasteful number, since it uses less digits than its factorization.

4245123477731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159984468.

The product of its digits is 3951360, while the sum is 50.

The spelling of 4245123477731 in words is "four trillion, two hundred forty-five billion, one hundred twenty-three million, four hundred seventy-seven thousand, seven hundred thirty-one".