5123607645 has 48 divisors (see below), whose sum is σ = 9399125952. Its totient is φ = 2373995520.

The previous prime is 5123607631. The next prime is 5123607649. The reversal of 5123607645 is 5467063215.

It is not a de Polignac number, because 5123607645 - 2¹⁸ = 5123345501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5123607649) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16351 + ... + 102540.

It is an arithmetic number, because the mean of its divisors is an integer number (195815124).

Almost surely, 2^5123607645 is an apocalyptic number.

It is an amenable number.

5123607645 is a deficient number, since it is larger than the sum of its proper divisors (4275518307).

5123607645 is a wasteful number, since it uses less digits than its factorization.

5123607645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118942 (or 118929 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 5123607645 is about 71579.3800266529. The cubic root of 5123607645 is about 1723.9524713338.

The spelling of 5123607645 in words is "five billion, one hundred twenty-three million, six hundred seven thousand, six hundred forty-five".