124343253445 has 8 divisors (see below), whose sum is σ = 149277678840. Its totient is φ = 99430752960.

The previous prime is 124343253401. The next prime is 124343253449. The reversal of 124343253445 is 544352343421.

It can be written as a sum of positive squares in 4 ways, for example, as 1450238724 + 122893014721 = 38082^2 + 350561^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 124343253445 - 2¹⁹ = 124342729157 is a prime.

It is a super-2 number, since 2×124343253445² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 124343253398 and 124343253407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124343253449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5468746 + ... + 5491435.

It is an arithmetic number, because the mean of its divisors is an integer number (18659709855).

Almost surely, 2^124343253445 is an apocalyptic number.

It is an amenable number.

124343253445 is a deficient number, since it is larger than the sum of its proper divisors (24934425395).

124343253445 is a wasteful number, since it uses less digits than its factorization.

124343253445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10962455.

The product of its digits is 691200, while the sum is 40.

Adding to 124343253445 its reverse (544352343421), we get a palindrome (668695596866).

The spelling of 124343253445 in words is "one hundred twenty-four billion, three hundred forty-three million, two hundred fifty-three thousand, four hundred forty-five".