5231261013623 has 4 divisors (see below), whose sum is σ = 5265905126448. Its totient is φ = 5196616900800.

The previous prime is 5231261013607. The next prime is 5231261013659. The reversal of 5231261013623 is 3263101621325.

It is a happy number.

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 5231261013623 - 2⁴ = 5231261013607 is a prime.

It is a super-2 number, since 2×5231261013623² (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 (5231261012623) 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, 17322056186 + ... + 17322056487.

It is an arithmetic number, because the mean of its divisors is an integer number (1316476281612).

Almost surely, 2^{5231261013623} is an apocalyptic number.

5231261013623 is a deficient number, since it is larger than the sum of its proper divisors (34644112825).

5231261013623 is a wasteful number, since it uses less digits than its factorization.

5231261013623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34644112824.

The product of its (nonzero) digits is 38880, while the sum is 35.

Adding to 5231261013623 its reverse (3263101621325), we get a palindrome (8494362634948).

The spelling of 5231261013623 in words is "five trillion, two hundred thirty-one billion, two hundred sixty-one million, thirteen thousand, six hundred twenty-three".